diff --git a/docs/background.html b/docs/background.html index 7d7c7d6..db09f38 100644 --- a/docs/background.html +++ b/docs/background.html @@ -358,10 +358,10 @@ div.tocify {
-CDM Field - | --User Guide - | --ETL Conventions - | --Datatype - | --Required - | --Primary Key - | --Foreign Key - | --FK Table - | --FK Domain - | -
---|---|---|---|---|---|---|---|---|
-person_id - | --It is assumed that every person with a different unique identifier is in -fact a different person and should be treated independently. - | --Any person linkage that needs to occur to uniquely identify Persons -ought to be done prior to writing this table. This identifier can be the -original id from the source data provided if it is an integer, otherwise -it can be an autogenerated number. - | --bigint - | --Yes - | --Yes - | --No - | -- | -- | -
-gender_concept_id - | --This field is meant to capture the biological sex at birth of the -Person. This field should not be used to study gender identity issues. - | --Use the gender or sex value present in the data under the assumption -that it is the biological sex at birth. If the source data captures -gender identity it should be stored in the OBSERVATION -table. Accepted -gender concepts - | --integer - | --Yes - | --No - | --Yes - | --CONCEPT - | --Gender - | -
-year_of_birth - | --Compute age using year_of_birth. - | --For data sources with date of birth, the year should be extracted. For -data sources where the year of birth is not available, the approximate -year of birth could be derived based on age group categorization, if -available. If no year of birth is available all the person’s data should -be dropped from the CDM instance. - | --integer - | --Yes - | --No - | --No - | -- | -- | -
-month_of_birth - | -- | --For data sources that provide the precise date of birth, the month -should be extracted and stored in this field. - | --integer - | --No - | --No - | --No - | -- | -- | -
-day_of_birth - | -- | --For data sources that provide the precise date of birth, the day should -be extracted and stored in this field. - | --integer - | --No - | --No - | --No - | -- | -- | -
-birth_datetime - | -- | --This field is not required but highly encouraged. For data sources that -provide the precise datetime of birth, that value should be stored in -this field. If birth_datetime is not provided in the source, use the -following logic to infer the date: If day_of_birth is null and -month_of_birth is not null then use the first of the month in that year. -If month_of_birth is null or if day_of_birth AND month_of_birth are both -null and the person has records during their year of birth then use the -date of the earliest record, otherwise use the 15th of June of that -year. If time of birth is not given use midnight (00:00:0000). - | --datetime - | --No - | --No - | --No - | -- | -- | -
-death_datetime - | --This field is the death date to be used in analysis, as determined by -the ETL logic. Any additional information about a Person’s death is -stored in the OBSERVATION -table with the concept_id 4306655 -or in the CONDITION_OCCURRENCE . - | --If there are multiple dates of death given for a Person, choose the one -that is deemed most reliable. This may be a discharge from the hospital -where the Person is listed as deceased or it could be latest death date -provided. If a patient has clinical activity more than 60 days after the -death date given in the source, it is a viable option to drop the death -record as it may have been falsely reported. Similarly, if the death -record is from a reputable source (e.g. government provided information) -it is also a viable option to remove event records that occur in the -data > 60 days after death. - | --datetime - | --No - | -- | -- | -- | -- | -
-race_concept_id - | --This field captures race or ethnic background of the person. - | --Only use this field if you have information about race or ethnic -background. The Vocabulary contains Concepts about the main races and -ethnic backgrounds in a hierarchical system. Due to the imprecise nature -of human races and ethnic backgrounds, this is not a perfect system. -Mixed races are not supported. If a clear race or ethnic background -cannot be established, use Concept_Id 0. Accepted -Race Concepts. - | --integer - | --Yes - | --No - | --Yes - | --CONCEPT - | --Race - | -
-ethnicity_concept_id - | --This field captures Ethnicity as defined by the Office of Management and -Budget (OMB) of the US Government: it distinguishes only between -“Hispanic” and “Not Hispanic”. Races and ethnic backgrounds are not -stored here. - | --Only use this field if you have US-based data and a source of this -information. Do not attempt to infer Ethnicity from the race or ethnic -background of the Person. Accepted -ethnicity concepts - | --integer - | --Yes - | --No - | --Yes - | --CONCEPT - | --Ethnicity - | -
-location_id - | --The location refers to the physical address of the person. This field -should capture the last known location of the person. Any prior -locations are captured in the LOCATION_HISTORY -table. - | --Put the location_id from the LOCATION table here that represents the -most granular location information for the person. This could represent -anything from postal code or parts thereof, state, or county for -example. Since many databases contain deidentified data, it is common -that the precision of the location is reduced to prevent -re-identification. This field should capture the last known location. -Any prior locations are captured in the LOCATION_HISTORY -table. - | --bigint - | --No - | --No - | --Yes - | --LOCATION - | -- | -
-provider_id - | --The Provider refers to the last known primary care provider (General -Practitioner). - | --Put the provider_id from the PROVIDER table of the last known general -practitioner of the person. If there are multiple providers, it is up to -the ETL to decide which to put here. - | --bigint - | --No - | --No - | --Yes - | --PROVIDER - | -- | -
-care_site_id - | --The Care Site refers to where the Provider typically provides the -primary care. - | -- | --bigint - | --No - | --No - | --Yes - | --CARE_SITE - | -- | -
-person_source_value - | --Use this field to link back to persons in the source data. This is -typically used for error checking of ETL logic. - | --Some use cases require the ability to link back to persons in the source -data. This field allows for the storing of the person value as it -appears in the source. This field is not required but strongly -recommended. - | --varchar(50) - | --No - | --No - | --No - | -- | -- | -
-gender_source_value - | --This field is used to store the biological sex of the person from the -source data. It is not intended for use in standard analytics but for -reference only. - | --Put the biological sex of the person as it appears in the source data. - | --varchar(50) - | --No - | --No - | --No - | -- | -- | -
-gender_source_concept_id - | --Due to the small number of options, this tends to be zero. - | --If the source data codes biological sex in a non-standard vocabulary, -store the concept_id here, otherwise set to 0. - | --integer - | --Yes - | --No - | --Yes - | --CONCEPT - | -- | -
-race_source_value - | --This field is used to store the race of the person from the source data. -It is not intended for use in standard analytics but for reference only. - | --Put the race of the person as it appears in the source data. - | --varchar(50) - | --No - | --No - | --No - | -- | -- | -
-race_source_concept_id - | --Due to the small number of options, this tends to be zero. - | --If the source data codes race in an OMOP supported vocabulary store the -concept_id here, otherwise set to 0. - | --integer - | --Yes - | --No - | --Yes - | --CONCEPT - | -- | -
-ethnicity_source_value - | --This field is used to store the ethnicity of the person from the source -data. It is not intended for use in standard analytics but for reference -only. - | --If the person has an ethnicity other than the OMB standard of “Hispanic” -or “Not Hispanic” store that value from the source data here. - | --varchar(50) - | --No - | --No - | --No - | -- | -- | -
-ethnicity_source_concept_id - | --Due to the small number of options, this tends to be zero. - | --If the source data codes ethnicity in an OMOP supported vocabulary, -store the concept_id here, otherwise set to 0. - | --integer - | --Yes - | --No - | --Yes - | --CONCEPT - | -- | -
-CDM Field - | --User Guide - | --ETL Conventions - | --Datatype - | --Required - | --Primary Key - | --Foreign Key - | --FK Table - | --FK Domain - | -
---|---|---|---|---|---|---|---|---|
-observation_period_id - | --A Person can have multiple discrete Observation Periods which are -identified by the Observation_Period_Id. - | --Assign a unique observation_period_id to each discrete Observation -Period for a Person. - | --bigint - | --Yes - | --Yes - | --No - | -- | -- | -
-person_id - | --The Person ID of the PERSON record for which the Observation Period is -recorded. - | -- | --bigint - | --Yes - | --No - | --Yes - | --PERSON - | -- | -
-observation_period_start_date - | --Use this date to determine the start date of the Observation Period - | --It is often the case that the idea of Observation Periods does not exist -in source data. In those cases, the observation_period_start_date can be -inferred as the earliest Event date available for the Person. In -insurance claim data, the Observation Period can be considered as the -time period the Person is enrolled with a payer. If a Person switches -plans but stays with the same payer, and therefore capturing of data -continues, that change would be captured in PAYER_PLAN_PERIOD. - | --date - | --Yes - | --No - | --No - | -- | -- | -
-observation_period_end_date - | --Use this date to determine the end date of the period for which we can -assume that all events for a Person are recorded. - | --It is often the case that the idea of Observation Periods does not exist -in source data. In those cases, the observation_period_end_date can be -inferred as the last Event date available for the Person. In insurance -claim data, the Observation Period can be considered as the time period -the Person is enrolled with a payer. - | --date - | --Yes - | --No - | --No - | -- | -- | -
-period_type_concept_id - | --This field can be used to determine the provenance of the Observation -Period as in whether the period was determined from an insurance -enrollment file, EHR healthcare encounters, or other sources. - | --Choose the observation_period_type_concept_id that best represents how -the period was determined. Accepted -Concepts. - | --Integer - | --Yes - | --No - | --Yes - | --CONCEPT - | --Type Concept - | -
-CDM Field - | --User Guide - | --ETL Conventions - | --Datatype - | --Required - | --Primary Key - | --Foreign Key - | --FK Table - | --FK Domain - | -
---|---|---|---|---|---|---|---|---|
-visit_occurrence_id - | --Use this to identify unique interactions between a person and the health -care system. This identifier links across the other CDM event tables to -associate events with a visit. - | --This should be populated by creating a unique identifier for each unique -interaction between a person and the healthcare system where the person -receives a medical good or service over a span of time. - | --bigint - | --Yes - | --Yes - | --No - | -- | -- | -
-person_id - | -- | -- | --bigint - | --Yes - | --No - | --Yes - | --PERSON - | -- | -
-visit_concept_id - | --This field contains a concept id representing the kind of visit, like -inpatient or outpatient. All concepts in this field should be standard -and belong to the Visit domain. - | --Populate this field based on the kind of visit that took place for the -person. For example this could be “Inpatient Visit”, “Outpatient Visit”, -“Ambulatory Visit”, etc. This table will contain standard concepts in -the Visit domain. These concepts are arranged in a hierarchical -structure to facilitate cohort definitions by rolling up to generally -familiar Visits adopted in most healthcare systems worldwide. - | --integer - | --Yes - | --No - | --Yes - | --CONCEPT - | --Visit - | -
-visit_start_date - | --For inpatient visits, the start date is typically the admission date. -For outpatient visits the start date and end date will be the same. - | --When populating visit_start_date, you should think about the patient -experience to make decisions on how to define visits. In the case of an -inpatient visit this should be the date the patient was admitted to the -hospital or institution. In all other cases this should be the date of -the patient-provider interaction. - | --date - | --No - | --No - | --No - | -- | -- | -
-visit_start_datetime - | -- | --If no time is given for the start date of a visit, set it to midnight -(00:00:0000). - | --datetime - | --Yes - | --No - | --No - | -- | -- | -
-visit_end_date - | --For inpatient visits the end date is typically the discharge date. - | --Visit end dates are mandatory. If end dates are not provided in the -source there are three ways in which to derive them: Outpatient Visit: -visit_end_datetime = visit_start_datetime Emergency Room Visit: -visit_end_datetime = visit_start_datetime Inpatient Visit: Usually there -is information about discharge. If not, you should be able to derive the -end date from the sudden decline of activity or from the absence of -inpatient procedures/drugs. Non-hospital institution Visits: -Particularly for claims data, if end dates are not provided assume the -visit is for the duration of month that it occurs. For Inpatient Visits -ongoing at the date of ETL, put date of processing the data into -visit_end_datetime and visit_type_concept_id with 32220 “Still patient” -to identify the visit as incomplete. All other Visits: -visit_end_datetime = visit_start_datetime. If this is a one-day visit -the end date should match the start date. - | --date - | --No - | --No - | --No - | -- | -- | -
-visit_end_datetime - | -- | --If no time is given for the end date of a visit, set it to midnight -(00:00:0000). - | --datetime - | --Yes - | --No - | --No - | -- | -- | -
-visit_type_concept_id - | --Use this field to understand the provenance of the visit record, or -where the record comes from. - | --Populate this field based on the provenance of the visit record, as in -whether it came from an EHR record or billing claim. - | --Integer - | --Yes - | --No - | --Yes - | --CONCEPT - | --Type Concept - | -
-provider_id - | --There will only be one provider per visit record and the ETL document -should clearly state how they were chosen (attending, admitting, etc.). -If there are multiple providers associated with a visit in the source, -this can be reflected in the event tables (CONDITION_OCCURRENCE, -PROCEDURE_OCCURRENCE, etc.) or in the VISIT_DETAIL table. - | --If there are multiple providers associated with a visit, you will need -to choose which one to put here. The additional providers can be stored -in the visit_detail table. - | --bigint - | --No - | --No - | --Yes - | --PROVIDER - | -- | -
-care_site_id - | --This field provides information about the care site where the visit took -place. - | --There should only be one care site associated with a visit. - | --bigint - | --No - | --No - | --Yes - | --CARE_SITE - | -- | -
-visit_source_value - | --This field houses the verbatim value from the source data representing -the kind of visit that took place (inpatient, outpatient, emergency, -etc.) - | --If there is information about the kind of visit in the source data that -value should be stored here. If a visit is an amalgamation of visits -from the source then use a hierarchy to choose the visit source value, -such as IP -> ER-> OP. This should line up with the logic chosen -to determine how visits are created. - | --varchar(50) - | --No - | --No - | --No - | -- | -- | -
-visit_source_concept_id - | -- | --If the visit source value is coded in the source data using an OMOP -supported vocabulary put the concept id representing the source value -here. If not available set to 0. - | --integer - | --Yes - | --No - | --Yes - | --CONCEPT - | -- | -
-admitted_from_concept_id - | --Use this field to determine where the patient was admitted from. This -concept is part of the visit domain and can indicate if a patient was -admitted to the hospital from a long-term care facility, for example. - | --If available, map the admitted_from_source_value to a standard concept -in the visit domain. If not available set to 0. - | --integer - | --Yes - | --No - | --Yes - | --CONCEPT - | --Visit - | -
-admitted_from_source_value - | -- | --This information may be called something different in the source data -but the field is meant to contain a value indicating where a person was -admitted from. Typically this applies only to visits that have a length -of stay, like inpatient visits or long-term care visits. - | --varchar(50) - | --No - | --No - | --No - | -- | -- | -
-discharge_to_concept_id - | --Use this field to determine where the patient was discharged to after a -visit. This concept is part of the visit domain and can indicate if a -patient was discharged to home or sent to a long-term care facility, for -example. - | --If available, map the discharge_to_source_value to a standard concept in -the visit domain. If not available set to 0. - | --integer - | --Yes - | --No - | --Yes - | --CONCEPT - | --Visit - | -
-discharge_to_source_value - | -- | --This information may be called something different in the source data -but the field is meant to contain a value indicating where a person was -discharged to after a visit, as in they went home or were moved to -long-term care. Typically this applies only to visits that have a length -of stay of a day or more. - | --varchar(50) - | --No - | --No - | --No - | -- | -- | -
-preceding_visit_occurrence_id - | --Use this field to find the visit that occurred for the person prior to -the given visit. There could be a few days or a few years in between. - | --The preceding_visit_id can be used to link a visit immediately preceding -the current visit. Note this is not symmetrical, and there is no such -thing as a “following_visit_id”. - | --bigint - | --No - | --No - | --Yes - | --VISIT_OCCURRENCE - | -- | -
-CDM Field - | --User Guide - | --ETL Conventions - | --Datatype - | --Required - | --Primary Key - | --Foreign Key - | --FK Table - | --FK Domain - | -
---|---|---|---|---|---|---|---|---|
-visit_detail_id - | --Use this to identify unique interactions between a person and the health -care system. This identifier links across the other CDM event tables to -associate events with a visit detail. - | --This should be populated by creating a unique identifier for each unique -interaction between a person and the healthcare system where the person -receives a medical good or service over a span of time. - | --bigint - | --Yes - | --Yes - | --No - | -- | -- | -
-person_id - | -- | -- | --bigint - | --Yes - | --No - | --Yes - | --PERSON - | -- | -
-visit_detail_concept_id - | --This field contains a concept id representing the kind of visit detail, -like inpatient or outpatient. All concepts in this field should be -standard and belong to the Visit domain. - | --Populate this field based on the kind of visit that took place for the -person. For example this could be “Inpatient Visit”, “Outpatient Visit”, -“Ambulatory Visit”, etc. This table will contain standard concepts in -the Visit domain. These concepts are arranged in a hierarchical -structure to facilitate cohort definitions by rolling up to generally -familiar Visits adopted in most healthcare systems worldwide. Accepted -Concepts. - | --integer - | --Yes - | --No - | --Yes - | --CONCEPT - | --Visit - | -
-visit_detail_start_date - | --This is the date of the start of the encounter. This may or may not be -equal to the date of the Visit the Visit Detail is associated with. - | --When populating visit_start_date, you should think about the patient -experience to make decisions on how to define visits. Most likely this -should be the date of the patient-provider interaction. - | --date - | --Yes - | --No - | --No - | -- | -- | -
-visit_detail_start_datetime - | -- | --If no time is given for the start date of a visit, set it to midnight -(00:00:0000). - | --datetime - | --No - | --No - | --No - | -- | -- | -
-visit_detail_end_date - | --This the end date of the patient-provider interaction. - | --Visit Detail end dates are mandatory. If end dates are not provided in -the source there are three ways in which to derive them:<br> - -Outpatient Visit Detail: visit_detail_end_datetime = -visit_detail_start_datetime - Emergency Room Visit Detail: -visit_detail_end_datetime = visit_detail_start_datetime - Inpatient -Visit Detail: Usually there is information about discharge. If not, you -should be able to derive the end date from the sudden decline of -activity or from the absence of inpatient procedures/drugs. - -Non-hospital institution Visit Details: Particularly for claims data, if -end dates are not provided assume the visit is for the duration of month -that it occurs.<br> For Inpatient Visit Details ongoing at the -date of ETL, put date of processing the data into -visit_detai_end_datetime and visit_detail_type_concept_id with 32220 -“Still patient” to identify the visit as incomplete. All other Visits -Details: visit_detail_end_datetime = visit_detail_start_datetime. - | --date - | --Yes - | --No - | --No - | -- | -- | -
-visit_detail_end_datetime - | -- | --If no time is given for the end date of a visit, set it to midnight -(00:00:0000). - | --datetime - | --No - | --No - | --No - | -- | -- | -
-visit_detail_type_concept_id - | --Use this field to understand the provenance of the visit detail record, -or where the record comes from. - | --Populate this field based on the provenance of the visit detail record, -as in whether it came from an EHR record or billing claim. Accepted -Concepts. - | --Integer - | --Yes - | --No - | --Yes - | --CONCEPT - | --Type Concept - | -
-provider_id - | --There will only be one provider per visit record and -the ETL document should clearly state how they were chosen (attending, -admitting, etc.). This is a typical reason for leveraging the -VISIT_DETAIL table as even though each VISIT_DETAIL record can only have -one provider, there is no limit to the number of VISIT_DETAIL records -that can be associated to a VISIT_OCCURRENCE record. - | --The additional providers associated to a Visit can be stored in this -table where each VISIT_DETAIL record represents a different provider. - | --bigint - | --No - | --No - | --Yes - | --PROVIDER - | -- | -
-care_site_id - | --This field provides information about the Care Site where the Visit -Detail took place. - | --There should only be one Care Site associated with a Visit Detail. - | --bigint - | --No - | --No - | --Yes - | --CARE_SITE - | -- | -
-visit_detail_source_value - | --This field houses the verbatim value from the source data representing -the kind of visit detail that took place (inpatient, outpatient, -emergency, etc.) - | --If there is information about the kind of visit detail in the source -data that value should be stored here. If a visit is an amalgamation of -visits from the source then use a hierarchy to choose the -VISIT_DETAIL_SOURCE_VALUE, such as IP -> ER-> OP. This should line -up with the logic chosen to determine how visits are created. - | --varchar(50) - | --No - | --No - | --No - | -- | -- | -
-visit_detail_source_concept_id - | -- | --If the VISIT_DETAIL_SOURCE_VALUE is coded in the source data using an -OMOP supported vocabulary put the concept id representing the source -value here. If not available, map to 0. - | --integer - | --Yes - | --No - | --Yes - | --CONCEPT - | -- | -
-admitted_from_concept_id - | -- | --This information may be called something different in the source data -but the field is meant to contain a value indicating where a person was -admitted from. Typically this applies only to visits that have a length -of stay, like inpatient visits or long-term care visits. - | --varchar(50) - | --No - | --No - | --No - | -- | -- | -
-admitted_from_source_value - | --Use this field to determine where the patient was admitted from. This -concept is part of the visit domain and can indicate if a patient was -admitted to the hospital from a long-term care facility, for example. - | --If available, map the admitted_from_source_value to a standard concept -in the visit domain. If not available, map to 0. Accepted -Concepts. - | --integer - | --Yes - | --No - | --Yes - | --CONCEPT - | --Visit - | -
-discharge_to_source_value - | -- | --This information may be called something different in the source data -but the field is meant to contain a value indicating where a person was -discharged to after a visit, as in they went home or were moved to -long-term care. Typically this applies only to visits that have a length -of stay of a day or more. - | --varchar(50) - | --No - | --No - | --No - | -- | -- | -
-discharge_to_concept_id - | --Use this field to determine where the patient was discharged to after a -visit detail record. This concept is part of the visit domain and can -indicate if a patient was discharged to home or sent to a long-term care -facility, for example. - | --If available, map the DISCHARGE_TO_SOURCE_VALUE to a Standard Concept in -the Visit domain. If not available, set to 0. Accepted -Concepts. - | --integer - | --Yes - | --No - | --Yes - | --CONCEPT - | --Visit - | -
-preceding_visit_detail_id - | --Use this field to find the visit detail that occurred for the person -prior to the given visit detail record. There could be a few days or a -few years in between. - | --The PRECEDING_VISIT_DETAIL_ID can be used to link a visit immediately -preceding the current Visit Detail. Note this is not symmetrical, and -there is no such thing as a “following_visit_id”. - | --bigint - | --No - | --No - | --Yes - | --VISIT_DETAIL - | -- | -
-visit_detail_parent_id - | --Use this field to find the visit detail that subsumes the given visit -detail record. This is used in the case that a visit detail record needs -to be nested beyond the VISIT_OCCURRENCE/VISIT_DETAIL relationship. - | --If there are multiple nested levels to how Visits are represented in the -source, the VISIT_DETAIL_PARENT_ID can be used to record this -relationship. - | --bigint - | --No - | --No - | --Yes - | --VISIT_DETAIL - | -- | -
-visit_occurrence_id - | --Use this field to link the VISIT_DETAIL record to its VISIT_OCCURRENCE. - | --Put the VISIT_OCCURRENCE_ID that subsumes the VISIT_DETAIL record here. - | --bigint - | --Yes - | --No - | --Yes - | --VISIT_OCCURRENCE - | -- | -
ETL Conventions
Source codes and source text fields mapped to Standard Concepts of the Condition Domain have to be recorded here.
--CDM Field - | --User Guide - | --ETL Conventions - | --Datatype - | --Required - | --Primary Key - | --Foreign Key - | --FK Table - | --FK Domain - | -
---|---|---|---|---|---|---|---|---|
-condition_occurrence_id - | --The unique key given to a condition record for a person. Refer to the -ETL for how duplicate conditions during the same visit were handled. - | --Each instance of a condition present in the source data should be -assigned this unique key. In some cases, a person can have multiple -records of the same condition within the same visit. It is valid to keep -these duplicates and assign them individual, unique, -CONDITION_OCCURRENCE_IDs, though it is up to the ETL how they should be -handled. - | --bigint - | --Yes - | --Yes - | --No - | -- | -- | -
-person_id - | --The PERSON_ID of the PERSON for whom the condition is recorded. - | -- | --bigint - | --Yes - | --No - | --Yes - | --PERSON - | -- | -
-condition_concept_id - | --The CONDITION_CONCEPT_ID field is recommended for primary use in -analyses, and must be used for network studies. This is the standard -concept mapped from the source value which represents a condition - | --The CONCEPT_ID that the CONDITION_SOURCE_VALUE maps to. Only records -whose source values map to concepts with a domain of “Condition” should -go in this table. Accepted -Concepts. - | --integer - | --Yes - | --No - | --Yes - | --CONCEPT - | --Condition - | -
-condition_start_date - | --Use this date to determine the start date of the condition - | --Most often data sources do not have the idea of a start date for a -condition. Rather, if a source only has one date associated with a -condition record it is acceptable to use that date for both the -CONDITION_START_DATE and the CONDITION_END_DATE. - | --date - | --Yes - | --No - | --No - | -- | -- | -
-condition_start_datetime - | -- | --If a source does not specify datetime the convention is to set the time -to midnight (00:00:0000) - | --datetime - | --No - | --No - | --No - | -- | -- | -
-condition_end_date - | --Use this date to determine the end date of the condition - | --Most often data sources do not have the idea of a start date for a -condition. Rather, if a source only has one date associated with a -condition record it is acceptable to use that date for both the -CONDITION_START_DATE and the CONDITION_END_DATE. - | --date - | --No - | --No - | --No - | -- | -- | -
-condition_end_datetime - | -- | --If a source does not specify datetime the convention is to set the time -to midnight (00:00:0000) - | --datetime - | --No - | --No - | --No - | -- | -- | -
-condition_type_concept_id - | --This field can be used to determine the provenance of the Condition -record, as in whether the condition was from an EHR system, insurance -claim, registry, or other sources. - | --Choose the condition_type_concept_id that best represents the provenance -of the record. Accepted -Concepts. - | --integer - | --Yes - | --No - | --Yes - | --CONCEPT - | --Type Concept - | -
-condition_status_concept_id - | --This concept represents the point during the visit the diagnosis was -given (admitting diagnosis, final diagnosis), whether the diagnosis was -determined due to laboratory findings, if the diagnosis was -exclusionary, or if it was a preliminary diagnosis, among others. - | --Choose the Concept in the Condition Status domain that best represents -the point during the visit when the diagnosis was given. These can -include admitting diagnosis, principal diagnosis, and secondary -diagnosis. If not available, set to 0. Accepted -Concepts. - | --integer - | --Yes - | --No - | --Yes - | --CONCEPT - | -- | -
-stop_reason - | --The Stop Reason indicates why a Condition is no longer valid with -respect to the purpose within the source data. Note that a Stop Reason -does not necessarily imply that the condition is no longer occurring. - | --This information is often not populated in source data and it is a valid -etl choice to leave it blank if the information does not exist. - | --varchar(20) - | --No - | --No - | --No - | -- | -- | -
-provider_id - | --The provider associated with condition record, e.g. the provider who -made the diagnosis or the provider who recorded the symptom. - | --The ETL may need to make a choice as to which PROVIDER_ID to put here. -Based on what is available this may or may not be different than the -provider associated with the overall VISIT_OCCURRENCE record, for -example the admitting vs attending physician on an EHR record. - | --bigint - | --No - | --No - | --Yes - | --PROVIDER - | -- | -
-visit_occurrence_id - | --The visit during which the condition occurred. - | --Depending on the structure of the source data, this may have to be -determined based on dates. If a CONDITION_START_DATE occurs within the -start and end date of a Visit it is a valid ETL choice to choose the -VISIT_OCCURRENCE_ID from the Visit that subsumes it, even if not -explicitly stated in the data. While not required, an attempt should be -made to locate the VISIT_OCCURRENCE_ID of the CONDITION_OCCURRENCE -record. - | --bigint - | --No - | --No - | --Yes - | --VISIT_OCCURRENCE - | -- | -
-visit_detail_id - | --The VISIT_DETAIL record during which the condition occurred. For -example, if the person was in the ICU at the time of the diagnosis the -VISIT_OCCURRENCE record would reflect the overall hospital stay and the -VISIT_DETAIL record would reflect the ICU stay during the hospital -visit. - | --Same rules apply as for the VISIT_OCCURRENCE_ID. - | --bigint - | --No - | --No - | --Yes - | --VISIT_DETAIL - | -- | -
-condition_source_value - | --This field houses the verbatim value from the source data representing -the condition that occurred. For example, this could be an ICD10 or Read -code. - | --This code is mapped to a Standard Condition Concept in the Standardized -Vocabularies and the original code is stored here for reference. - | --varchar(50) - | --No - | --No - | --No - | -- | -- | -
-condition_source_concept_id - | --This is the concept representing the condition source value and may not -necessarily be standard. This field is discouraged from use in analysis -because it is not required to contain Standard Concepts that are used -across the OHDSI community, and should only be used when Standard -Concepts do not adequately represent the source detail for the Condition -necessary for a given analytic use case. Consider using -CONDITION_CONCEPT_ID instead to enable standardized analytics that can -be consistent across the network. - | --If the CONDITION_SOURCE_VALUE is coded in the source data using an OMOP -supported vocabulary put the concept id representing the source value -here. If not available, set to 0. - | --integer - | --Yes - | --No - | --Yes - | --CONCEPT - | -- | -
-condition_status_source_value - | --This field houses the verbatim value from the source data representing -the condition status. - | --This information may be called something different in the source data -but the field is meant to contain a value indicating when and how a -diagnosis was given to a patient. This source value is mapped to a -standard concept which is stored in the CONDITION_STATUS_CONCEPT_ID -field. - | --varchar(50) - | --No - | --No - | --No - | -- | -- | -
-CDM Field - | --User Guide - | --ETL Conventions - | --Datatype - | --Required - | --Primary Key - | --Foreign Key - | --FK Table - | --FK Domain - | -
---|---|---|---|---|---|---|---|---|
-drug_exposure_id - | --The unique key given to records of drug dispensings or administrations -for a person. Refer to the ETL for how duplicate drugs during the same -visit were handled. - | --Each instance of a drug dispensing or administration present in the -source data should be assigned this unique key. In some cases, a person -can have multiple records of the same drug within the same visit. It is -valid to keep these duplicates and assign them individual, unique, -DRUG_EXPOSURE_IDs, though it is up to the ETL how they should be -handled. - | --bigint - | --Yes - | --Yes - | --No - | -- | -- | -
-person_id - | --The PERSON_ID of the PERSON for whom the drug dispensing or -administration is recorded. This may be a system generated code. - | -- | --bigint - | --Yes - | --No - | --Yes - | --PERSON - | -- | -
-drug_concept_id - | --The DRUG_CONCEPT_ID field is recommended for primary use in analyses, -and must be used for network studies. This is the standard concept -mapped from the source concept id which represents a drug product or -molecule otherwise introduced to the body. The drug concepts can have a -varying degree of information about drug strength and dose. This -information is relevant in the context of quantity and administration -information in the subsequent fields plus strength information from the -DRUG_STRENGTH table, provided as part of the standard vocabulary -download. - | --The CONCEPT_ID that the DRUG_SOURCE_VALUE maps to. The concept id should -be derived either from mapping from the source concept id or by picking -the drug concept representing the most amount of detail you have. -Records whose source values map to standard concepts with a domain of -Drug should go in this table. When the Drug Source Value of the code -cannot be translated into Standard Drug Concept IDs, a Drug exposure -entry is stored with only the corresponding SOURCE_CONCEPT_ID and -DRUG_SOURCE_VALUE and a DRUG_CONCEPT_ID of 0. The Drug Concept with the -most detailed content of information is preferred during the mapping -process. These are indicated in the CONCEPT_CLASS_ID field of the -Concept and are recorded in the following order of precedence: ‘Branded -Pack’, ‘Clinical Pack’, ‘Branded Drug’, ‘Clinical Drug’, ‘Branded Drug -Component’, ‘Clinical Drug Component’, ‘Branded Drug Form’, ‘Clinical -Drug Form’, and only if no other information is available ‘Ingredient’. -Note: If only the drug class is known, the DRUG_CONCEPT_ID field should -contain 0. Accepted -Concepts. - | --integer - | --Yes - | --No - | --Yes - | --CONCEPT - | --Drug - | -
-drug_exposure_start_date - | --Use this date to determine the start date of the drug record. - | --Valid entries include a start date of a prescription, the date a -prescription was filled, or the date on which a Drug administration was -recorded. It is a valid ETL choice to use the date the drug was ordered -as the DRUG_EXPOSURE_START_DATE. - | --date - | --Yes - | --No - | --No - | -- | -- | -
-drug_exposure_start_datetime - | -- | --This is not required, though it is in v6. If a source does not specify -datetime the convention is to set the time to midnight (00:00:0000) - | --datetime - | --No - | --No - | --No - | -- | -- | -
-drug_exposure_end_date - | --The DRUG_EXPOSURE_END_DATE denotes the day the drug exposure ended for -the patient. - | --If this information is not explicitly available in the data, infer the -end date using the following methods:/n/n 1. Start first with duration -or days supply using the calculation drug start date + days supply -1 -day. 2. Use quantity divided by daily dose that you may obtain from the -sig or a source field (or assumed daily dose of 1) for solid, -indivisibile, drug products. If quantity represents ingredient amount, -quantity divided by daily dose * concentration (from drug_strength) drug -concept id tells you the dose form. 3. If it is an administration -record, set drug end date equal to drug start date. If the record is a -written prescription then set end date to start date + 29. If the record -is a mail-order prescription set end date to start date + 89. The end -date must be equal to or greater than the start date. Ibuprofen 20mg/mL -oral solution concept tells us this is oral solution. Calculate duration -as quantity (200 example) * daily dose (5mL) /concentration (20mg/mL) -200*5/20 = 50 days. Examples -by dose form - | --date - | --Yes - | --No - | --No - | -- | -- | -
-drug_exposure_end_datetime - | -- | --This is not required, though it is in v6. If a source does not specify -datetime the convention is to set the time to midnight (00:00:0000) - | --datetime - | --No - | --No - | --No - | -- | -- | -
-verbatim_end_date - | --This is the end date of the drug exposure as it appears in the source -data, if it is given - | --Put the end date or discontinuation date as it appears from the source -data or leave blank if unavailable. - | --date - | --No - | --No - | --No - | -- | -- | -
-drug_type_concept_id - | --You can use the TYPE_CONCEPT_ID to delineate between prescriptions -written vs. prescriptions dispensed vs. medication history -vs. patient-reported exposure, etc. - | --Choose the drug_type_concept_id that best represents the provenance of -the record, for example whether it came from a record of a prescription -written or physician administered drug. Accepted -Concepts. - | --integer - | --Yes - | --No - | --Yes - | --CONCEPT - | --Type Concept - | -
-stop_reason - | --The reason a person stopped a medication as it is represented in the -source. Reasons include regimen completed, changed, removed, etc. This -field will be retired in v6.0. - | --This information is often not populated in source data and it is a valid -etl choice to leave it blank if the information does not exist. - | --varchar(20) - | --No - | --No - | --No - | -- | -- | -
-refills - | --This is only filled in when the record is coming from a prescription -written this field is meant to represent intended refills at time of the -prescription. - | -- | --integer - | --No - | --No - | --No - | -- | -- | -
-quantity - | -- | --To find the dose form of a drug the RELATIONSHIP table can be used where -the relationship_id is ‘Has dose form’. If liquid, quantity stands for -the total amount dispensed or ordered of ingredient in the units given -by the drug_strength table. If the unit from the source data does not -align with the unit in the DRUG_STRENGTH table the quantity should be -converted to the correct unit given in DRUG_STRENGTH. For clinical drugs -with fixed dose forms (tablets etc.) the quantity is the number of -units/tablets/capsules prescribed or dispensed (can be partial, but then -only 1/2 or 1/3, not 0.01). Clinical drugs with divisible dose forms -(injections) the quantity is the amount of ingredient the patient got. -For example, if the injection is 2mg/mL but the patient got 80mL then -quantity is reported as 160. Quantified clinical drugs with divisible -dose forms (prefilled syringes), the quantity is the amount of -ingredient similar to clinical drugs. Please see how to -calculate drug dose for more information. - | --float - | --No - | --No - | --No - | -- | -- | -
-days_supply - | --The number of days of supply of the medication as recorded in the -original prescription or dispensing record. Days supply can differ from -actual drug duration (i.e. prescribed days supply vs actual exposure). - | --The field should be left empty if the source data does not contain a -verbatim days_supply, and should not be calculated from other -fields.Negative values are not allowed. Several actions are possible: 1) -record is not trustworthy and we remove the record entirely. 2) we trust -the record and leave days_supply empty or 3) record needs to be combined -with other record (e.g. reversal of prescription). High values (>365 -days) should be investigated. If considered an error in the source data -(e.g. typo), the value needs to be excluded to prevent creation of -unrealistic long eras. - | --integer - | --No - | --No - | --No - | -- | -- | -
-sig - | --This is the verbatim instruction for the drug as written by the -provider. - | --Put the written out instructions for the drug as it is verbatim in the -source, if available. - | --varchar(MAX) - | --No - | --No - | --No - | -- | -- | -
-route_concept_id - | -- | --The standard CONCEPT_ID that the ROUTE_SOURCE_VALUE maps to in the route -domain. - | --integer - | --No - | --No - | --Yes - | --CONCEPT - | --Route - | -
-lot_number - | -- | -- | --varchar(50) - | --No - | --No - | --No - | -- | -- | -
-provider_id - | --The Provider associated with drug record, e.g. the provider who wrote -the prescription or the provider who administered the drug. - | --The ETL may need to make a choice as to which PROVIDER_ID to put here. -Based on what is available this may or may not be different than the -provider associated with the overall VISIT_OCCURRENCE record, for -example the ordering vs administering physician on an EHR record. - | --bigint - | --No - | --No - | --Yes - | --PROVIDER - | -- | -
-visit_occurrence_id - | --The Visit during which the drug was prescribed, administered or -dispensed. - | --To populate this field drug exposures must be explicitly initiated in -the visit. - | --bigint - | --No - | --No - | --Yes - | --VISIT_OCCURRENCE - | -- | -
-visit_detail_id - | --The VISIT_DETAIL record during which the drug exposure occurred. For -example, if the person was in the ICU at the time of the drug -administration the VISIT_OCCURRENCE record would reflect the overall -hospital stay and the VISIT_DETAIL record would reflect the ICU stay -during the hospital visit. - | --Same rules apply as for the VISIT_OCCURRENCE_ID. - | --bigint - | --No - | --No - | --Yes - | --VISIT_DETAIL - | -- | -
-drug_source_value - | --This field houses the verbatim value from the source data representing -the drug exposure that occurred. For example, this could be an NDC or -Gemscript code. - | --This code is mapped to a Standard Drug Concept in the Standardized -Vocabularies and the original code is stored here for reference. - | --varchar(50) - | --No - | --No - | --No - | -- | -- | -
-drug_source_concept_id - | --This is the concept representing the drug source value and may not -necessarily be standard. This field is discouraged from use in analysis -because it is not required to contain Standard Concepts that are used -across the OHDSI community, and should only be used when Standard -Concepts do not adequately represent the source detail for the Drug -necessary for a given analytic use case. Consider using DRUG_CONCEPT_ID -instead to enable standardized analytics that can be consistent across -the network. - | --If the DRUG_SOURCE_VALUE is coded in the source data using an OMOP -supported vocabulary put the concept id representing the source value -here. If unavailable, set to 0. - | --integer - | --Yes - | --No - | --Yes - | --CONCEPT - | -- | -
-route_source_value - | --This field houses the verbatim value from the source data representing -the drug route. - | --This information may be called something different in the source data -but the field is meant to contain a value indicating when and how a drug -was given to a patient. This source value is mapped to a standard -concept which is stored in the ROUTE_CONCEPT_ID field. - | --varchar(50) - | --No - | --No - | --No - | -- | -- | -
-dose_unit_source_value - | --This field houses the verbatim value from the source data representing -the dose unit of the drug given. - | --This information may be called something different in the source data -but the field is meant to contain a value indicating the unit of dosage -of drug given to the patient. This is an older column and will be -deprecated in an upcoming version. - | --varchar(50) - | --No - | --No - | --No - | -- | -- | -
-CDM Field - | --User Guide - | --ETL Conventions - | --Datatype - | --Required - | --Primary Key - | --Foreign Key - | --FK Table - | --FK Domain - | -
---|---|---|---|---|---|---|---|---|
-procedure_occurrence_id - | --The unique key given to a procedure record for a person. Refer to the -ETL for how duplicate procedures during the same visit were handled. - | --Each instance of a procedure occurrence in the source data should be -assigned this unique key. In some cases, a person can have multiple -records of the same procedure within the same visit. It is valid to keep -these duplicates and assign them individual, unique, -PROCEDURE_OCCURRENCE_IDs, though it is up to the ETL how they should be -handled. - | --bigint - | --Yes - | --Yes - | --No - | -- | -- | -
-person_id - | --The PERSON_ID of the PERSON for whom the procedure is recorded. This may -be a system generated code. - | -- | --bigint - | --Yes - | --No - | --Yes - | --PERSON - | -- | -
-procedure_concept_id - | --The PROCEDURE_CONCEPT_ID field is recommended for primary use in -analyses, and must be used for network studies. This is the standard -concept mapped from the source value which represents a procedure - | --The CONCEPT_ID that the PROCEDURE_SOURCE_VALUE maps to. Only records -whose source values map to standard concepts with a domain of -“Procedure” should go in this table. Accepted -Concepts. - | --integer - | --Yes - | --No - | --Yes - | --CONCEPT - | --Procedure - | -
-procedure_date - | --Use this date to determine the date the procedure occurred. - | --If a procedure lasts more than a day, then it should be recorded as a -separate record for each day the procedure occurred, this logic is in -lieu of the procedure_end_date, which will be added in a future version -of the CDM. - | --date - | --No - | --No - | --No - | -- | -- | -
-procedure_datetime - | -- | --This is not required, though it is in v6. If a source does not specify -datetime the convention is to set the time to midnight (00:00:0000) - | --datetime - | --Yes - | --No - | --No - | -- | -- | -
-procedure_type_concept_id - | --This field can be used to determine the provenance of the Procedure -record, as in whether the procedure was from an EHR system, insurance -claim, registry, or other sources. - | --Choose the PROCEDURE_TYPE_CONCEPT_ID that best represents the provenance -of the record, for example whether it came from an EHR record or billing -claim. If a procedure is recorded as an EHR encounter, the -PROCEDURE_TYPE_CONCEPT would be ‘EHR encounter record’. Accepted -Concepts. - | --integer - | --Yes - | --No - | --Yes - | --CONCEPT - | --Type Concept - | -
-modifier_concept_id - | --The modifiers are intended to give additional information about the -procedure but as of now the vocabulary is under review. - | --It is up to the ETL to choose how to map modifiers if they exist in -source data. These concepts are typically distinguished by ‘Modifier’ -concept classes (e.g., ‘CPT4 Modifier’ as part of the ‘CPT4’ -vocabulary). If there is more than one modifier on a record, one should -be chosen that pertains to the procedure rather than provider. If not -available, set to 0. Accepted -Concepts. - | --integer - | --No - | --No - | --Yes - | --CONCEPT - | -- | -
-quantity - | --If the quantity value is omitted, a single procedure is assumed. - | --If a Procedure has a quantity of ‘0’ in the source, this should default -to ‘1’ in the ETL. If there is a record in the source it can be assumed -the exposure occurred at least once - | --integer - | --No - | --No - | --No - | -- | -- | -
-provider_id - | --The provider associated with the procedure record, e.g. the provider who -performed the Procedure. - | --The ETL may need to make a choice as to which PROVIDER_ID to put here. -Based on what is available this may or may not be different than the -provider associated with the overall VISIT_OCCURRENCE record, for -example the admitting vs attending physician on an EHR record. - | --bigint - | --No - | --No - | --No - | --PROVIDER - | -- | -
-visit_occurrence_id - | --The visit during which the procedure occurred. - | --Depending on the structure of the source data, this may have to be -determined based on dates. If a PROCEDURE_DATE occurs within the start -and end date of a Visit it is a valid ETL choice to choose the -VISIT_OCCURRENCE_ID from the Visit that subsumes it, even if not -explicitly stated in the data. While not required, an attempt should be -made to locate the VISIT_OCCURRENCE_ID of the PROCEDURE_OCCURRENCE -record. - | --bigint - | --No - | --No - | --No - | --VISIT_OCCURRENCE - | -- | -
-visit_detail_id - | --The VISIT_DETAIL record during which the Procedure occurred. For -example, if the Person was in the ICU at the time of the Procedure the -VISIT_OCCURRENCE record would reflect the overall hospital stay and the -VISIT_DETAIL record would reflect the ICU stay during the hospital -visit. - | --Same rules apply as for the VISIT_OCCURRENCE_ID. - | --bigint - | --No - | --No - | --No - | --VISIT_DETAIL - | -- | -
-procedure_source_value - | --This field houses the verbatim value from the source data representing -the procedure that occurred. For example, this could be an CPT4 or OPCS4 -code. - | --Use this value to look up the source concept id and then map the source -concept id to a standard concept id. - | --varchar(50) - | --No - | --No - | --No - | -- | -- | -
-procedure_source_concept_id - | --This is the concept representing the procedure source value and may not -necessarily be standard. This field is discouraged from use in analysis -because it is not required to contain Standard Concepts that are used -across the OHDSI community, and should only be used when Standard -Concepts do not adequately represent the source detail for the Procedure -necessary for a given analytic use case. Consider using -PROCEDURE_CONCEPT_ID instead to enable standardized analytics that can -be consistent across the network. - | --If the PROCEDURE_SOURCE_VALUE is coded in the source data using an OMOP -supported vocabulary put the concept id representing the source value -here. If not available, set to 0. - | --integer - | --Yes - | --No - | --No - | --CONCEPT - | -- | -
-modifier_source_value - | -- | --The original modifier code from the source is stored here for reference. - | --varchar(50) - | --No - | --No - | --No - | -- | -- | -
ETL Conventions
Source codes and source text fields mapped to Standard Concepts of the Device Domain have to be recorded here.
--CDM Field - | --User Guide - | --ETL Conventions - | --Datatype - | --Required - | --Primary Key - | --Foreign Key - | --FK Table - | --FK Domain - | -
---|---|---|---|---|---|---|---|---|
-device_exposure_id - | --The unique key given to records a person’s exposure to a foreign -physical object or instrument. - | --Each instance of an exposure to a foreign object or device present in -the source data should be assigned this unique key. - | --bigint - | --Yes - | --Yes - | --No - | -- | -- | -
-person_id - | -- | -- | --bigint - | --Yes - | --No - | --Yes - | --PERSON - | -- | -
-device_concept_id - | --The DEVICE_CONCEPT_ID field is recommended for primary use in analyses, -and must be used for network studies. This is the standard concept -mapped from the source concept id which represents a foreign object or -instrument the person was exposed to. - | --The CONCEPT_ID that the DEVICE_SOURCE_VALUE maps to. - | --integer - | --Yes - | --No - | --Yes - | --CONCEPT - | --Device - | -
-device_exposure_start_date - | --Use this date to determine the start date of the device record. - | --Valid entries include a start date of a procedure to implant a device, -the date of a prescription for a device, or the date of device -administration. - | --date - | --Yes - | --No - | --No - | -- | -- | -
-device_exposure_start_datetime - | -- | --This is not required, though it is in v6. If a source does not specify -datetime the convention is to set the time to midnight (00:00:0000) - | --datetime - | --No - | --No - | --No - | -- | -- | -
-device_exposure_end_date - | --The DEVICE_EXPOSURE_END_DATE denotes the day the device exposure ended -for the patient, if given. - | --Put the end date or discontinuation date as it appears from the source -data or leave blank if unavailable. - | --date - | --No - | --No - | --No - | -- | -- | -
-device_exposure_end_datetime - | -- | --If a source does not specify datetime the convention is to set the time -to midnight (00:00:0000) - | --datetime - | --No - | --No - | --No - | -- | -- | -
-device_type_concept_id - | --You can use the TYPE_CONCEPT_ID to denote the provenance of the record, -as in whether the record is from administrative claims or EHR. Accepted -Concepts. - | --Choose the drug_type_concept_id that best represents the provenance of -the record, for example whether it came from a record of a prescription -written or physician administered drug. - | --integer - | --Yes - | --No - | --Yes - | --CONCEPT - | --Type Concept - | -
-unique_device_id - | --This is the Unique Device Identification number for devices regulated by -the FDA, if given. - | --For medical devices that are regulated by the FDA, a Unique Device -Identification (UDI) is provided if available in the data source and is -recorded in the UNIQUE_DEVICE_ID field. - | --varchar(50) - | --No - | --No - | --No - | -- | -- | -
-quantity - | -- | -- | --integer - | --No - | --No - | --No - | -- | -- | -
-provider_id - | --The Provider associated with device record, e.g. the provider who wrote -the prescription or the provider who implanted the device. - | --The ETL may need to make a choice as to which PROVIDER_ID to put here. -Based on what is available this may or may not be different than the -provider associated with the overall VISIT_OCCURRENCE record. - | --bigint - | --No - | --No - | --Yes - | --PROVIDER - | -- | -
-visit_occurrence_id - | --The Visit during which the device was prescribed or given. - | --To populate this field device exposures must be explicitly initiated in -the visit. - | --bigint - | --No - | --No - | --Yes - | --VISIT_OCCURRENCE - | -- | -
-visit_detail_id - | --The Visit Detail during which the device was prescribed or given. - | --To populate this field device exposures must be explicitly initiated in -the visit detail record. - | --bigint - | --No - | --No - | --Yes - | --VISIT_DETAIL - | -- | -
-device_source_value - | --This field houses the verbatim value from the source data representing -the device exposure that occurred. For example, this could be an NDC or -Gemscript code. - | --This code is mapped to a Standard Device Concept in the Standardized -Vocabularies and the original code is stored here for reference. - | --varchar(50) - | --No - | --No - | --No - | -- | -- | -
-device_source_concept_id - | --This is the concept representing the device source value and may not -necessarily be standard. This field is discouraged from use in analysis -because it is not required to contain Standard Concepts that are used -across the OHDSI community, and should only be used when Standard -Concepts do not adequately represent the source detail for the Device -necessary for a given analytic use case. Consider using -DEVICE_CONCEPT_ID instead to enable standardized analytics that can be -consistent across the network. - | --If the DEVICE_SOURCE_VALUE is coded in the source data using an OMOP -supported vocabulary put the concept id representing the source value -here. If unavailable, set to 0. - | --integer - | --Yes - | --No - | --Yes - | --CONCEPT - | -- | -
-CDM Field - | --User Guide - | --ETL Conventions - | --Datatype - | --Required - | --Primary Key - | --Foreign Key - | --FK Table - | --FK Domain - | -
---|---|---|---|---|---|---|---|---|
-measurement_id - | --The unique key given to a Measurement record for a Person. Refer to the -ETL for how duplicate Measurements during the same Visit were handled. - | --Each instance of a measurement present in the source data should be -assigned this unique key. In some cases, a person can have multiple -records of the same measurement within the same visit. It is valid to -keep these duplicates and assign them individual, unique, -MEASUREMENT_IDs, though it is up to the ETL how they should be handled. - | --bigint - | --Yes - | --Yes - | --No - | -- | -- | -
-person_id - | --The PERSON_ID of the PERSON for whom the measurement is recorded. This -may be a system generated code. - | -- | --bigint - | --Yes - | --No - | --Yes - | --PERSON - | -- | -
-measurement_concept_id - | --The MEASUREMENT_CONCEPT_ID field is recommended for primary use in -analyses, and must be used for network studies. - | --The CONCEPT_ID that the MEASUREMENT_SOURCE_CONCEPT_ID maps to. Only -records whose SOURCE_CONCEPT_IDs map to Standard Concepts with a domain -of “Measurement” should go in this table. - | --integer - | --Yes - | --No - | --Yes - | --CONCEPT - | --Measurement - | -
-measurement_date - | --Use this date to determine the date of the measurement. - | --If there are multiple dates in the source data associated with a record -such as order_date, draw_date, and result_date, choose the one that is -closest to the date the sample was drawn from the patient. - | --date - | --Yes - | --No - | --No - | -- | -- | -
-measurement_datetime - | -- | --This is not required, though it is in v6. If a source does not specify -datetime the convention is to set the time to midnight (00:00:0000) - | --datetime - | --No - | --No - | --No - | -- | -- | -
-measurement_time - | -- | --This is present for backwards compatibility and will be deprecated in an -upcoming version. - | --varchar(10) - | --No - | --No - | --No - | -- | -- | -
-measurement_type_concept_id - | --This field can be used to determine the provenance of the Measurement -record, as in whether the measurement was from an EHR system, insurance -claim, registry, or other sources. - | --Choose the MEASUREMENT_TYPE_CONCEPT_ID that best represents the -provenance of the record, for example whether it came from an EHR record -or billing claim. Accepted -Concepts. - | --integer - | --Yes - | --No - | --Yes - | --CONCEPT - | --Type Concept - | -
-operator_concept_id - | --The meaning of Concept 4172703 -for ‘=’ is identical to omission of a OPERATOR_CONCEPT_ID value. Since -the use of this field is rare, it’s important when devising analyses to -not to forget testing for the content of this field for values different -from =. - | --Operators are <, <=, =, >=, > and these concepts belong to -the ‘Meas Value Operator’ domain. Accepted -Concepts. - | --integer - | --No - | --No - | --Yes - | --CONCEPT - | -- | -
-value_as_number - | --This is the numerical value of the Result of the Measurement, if -available. Note that measurements such as blood pressures will be split -into their component parts i.e. one record for systolic, one record for -diastolic. - | --If there is a negative value coming from the source, set the -VALUE_AS_NUMBER to NULL, with the exception of the following -Measurements (listed as LOINC codes):<br>- 1925-7 -Base excess in Arterial blood by calculation - 1927-3 -Base excess in Venous blood by calculation - 8632-2 -QRS-Axis - 11555-0 -Base excess in Blood by calculation - 1926-5 -Base excess in Capillary blood by calculation - 28638-5 -Base excess in Arterial cord blood by calculation 28639-3 -Base excess in Venous cord blood by calculation - | --float - | --No - | --No - | --No - | -- | -- | -
-value_as_concept_id - | --If the raw data gives a categorial result for measurements those values -are captured and mapped to standard concepts in the ‘Meas Value’ domain. - | --If the raw data provides categorial results as well as continuous -results for measurements, it is a valid ETL choice to preserve both -values. The continuous value should go in the VALUE_AS_NUMBER field and -the categorical value should be mapped to a standard concept in the -‘Meas Value’ domain and put in the VALUE_AS_CONCEPT_ID field. This is -also the destination for the ‘Maps to value’ relationship. - | --integer - | --No - | --No - | --Yes - | --CONCEPT - | -- | -
-unit_concept_id - | --There is currently no recommended unit for individual measurements, -i.e. it is not mandatory to represent Hemoglobin a1C measurements as a -percentage. UNIT_SOURCE_VALUES should be mapped to a Standard Concept in -the Unit domain that best represents the unit as given in the source -data. - | --There is no standardization requirement for units associated with -MEASUREMENT_CONCEPT_IDs, however, it is the responsibility of the ETL to -choose the most plausible unit. - | --integer - | --No - | --No - | --Yes - | --CONCEPT - | --Unit - | -
-range_low - | --Ranges have the same unit as the VALUE_AS_NUMBER. These ranges are -provided by the source and should remain NULL if not given. - | --If reference ranges for upper and lower limit of normal as provided -(typically by a laboratory) these are stored in the RANGE_HIGH and -RANGE_LOW fields. This should be set to NULL if not provided. - | --float - | --No - | --No - | --No - | -- | -- | -
-range_high - | --Ranges have the same unit as the VALUE_AS_NUMBER. These ranges are -provided by the source and should remain NULL if not given. - | --If reference ranges for upper and lower limit of normal as provided -(typically by a laboratory) these are stored in the RANGE_HIGH and -RANGE_LOW fields. This should be set to NULL if not provided. - | --float - | --No - | --No - | --No - | -- | -- | -
-provider_id - | --The provider associated with measurement record, e.g. the provider who -ordered the test or the provider who recorded the result. - | --The ETL may need to make a choice as to which PROVIDER_ID to put here. -Based on what is available this may or may not be different than the -provider associated with the overall VISIT_OCCURRENCE record. For -example the admitting vs attending physician on an EHR record. - | --bigint - | --No - | --No - | --Yes - | --PROVIDER - | -- | -
-visit_occurrence_id - | --The visit during which the Measurement occurred. - | --Depending on the structure of the source data, this may have to be -determined based on dates. If a MEASUREMENT_DATE occurs within the start -and end date of a Visit it is a valid ETL choice to choose the -VISIT_OCCURRENCE_ID from the visit that subsumes it, even if not -explicitly stated in the data. While not required, an attempt should be -made to locate the VISIT_OCCURRENCE_ID of the measurement record. If a -measurement is related to a visit explicitly in the source data, it is -possible that the result date of the Measurement falls outside of the -bounds of the Visit dates. - | --bigint - | --No - | --No - | --Yes - | --VISIT_OCCURRENCE - | -- | -
-visit_detail_id - | --The VISIT_DETAIL record during which the Measurement occurred. For -example, if the Person was in the ICU at the time the VISIT_OCCURRENCE -record would reflect the overall hospital stay and the VISIT_DETAIL -record would reflect the ICU stay during the hospital visit. - | --Same rules apply as for the VISIT_OCCURRENCE_ID. - | --bigint - | --No - | --No - | --Yes - | --VISIT_DETAIL - | -- | -
-measurement_source_value - | --This field houses the verbatim value from the source data representing -the Measurement that occurred. For example, this could be an ICD10 or -Read code. - | --This code is mapped to a Standard Measurement Concept in the -Standardized Vocabularies and the original code is stored here for -reference. - | --varchar(50) - | --No - | --No - | --No - | -- | -- | -
-measurement_source_concept_id - | --This is the concept representing the MEASUREMENT_SOURCE_VALUE and may -not necessarily be standard. This field is discouraged from use in -analysis because it is not required to contain Standard Concepts that -are used across the OHDSI community, and should only be used when -Standard Concepts do not adequately represent the source detail for the -Measurement necessary for a given analytic use case. Consider using -MEASUREMENT_CONCEPT_ID instead to enable standardized analytics that can -be consistent across the network. - | --If the MEASUREMENT_SOURCE_VALUE is coded in the source data using an -OMOP supported vocabulary put the concept id representing the source -value here. If not available, set to 0. - | --integer - | --Yes - | --No - | --Yes - | --CONCEPT - | -- | -
-unit_source_value - | --This field houses the verbatim value from the source data representing -the unit of the Measurement that occurred. - | --This code is mapped to a Standard Condition Concept in the Standardized -Vocabularies and the original code is stored here for reference. - | --varchar(50) - | --No - | --No - | --No - | -- | -- | -
-value_source_value - | --This field houses the verbatim result value of the Measurement from the -source data . - | --If both a continuous and categorical result are given in the source data -such that both VALUE_AS_NUMBER and VALUE_AS_CONCEPT_ID are both -included, store the verbatim value that was mapped to -VALUE_AS_CONCEPT_ID here. - | --varchar(50) - | --No - | --No - | --No - | -- | -- | -
-CDM Field - | --User Guide - | --ETL Conventions - | --Datatype - | --Required - | --Primary Key - | --Foreign Key - | --FK Table - | --FK Domain - | -
---|---|---|---|---|---|---|---|---|
-observation_id - | --The unique key given to an Observation record for a Person. Refer to the -ETL for how duplicate Observations during the same Visit were handled. - | --Each instance of an observation present in the source data should be -assigned this unique key. - | --bigint - | --Yes - | --Yes - | --No - | -- | -- | -
-person_id - | --The PERSON_ID of the Person for whom the Observation is recorded. This -may be a system generated code. - | -- | --bigint - | --Yes - | --No - | --Yes - | --PERSON - | -- | -
-observation_concept_id - | --The OBSERVATION_CONCEPT_ID field is recommended for primary use in -analyses, and must be used for network studies. - | --The CONCEPT_ID that the OBSERVATION_SOURCE_CONCEPT_ID maps to. There is -no specified domain that the Concepts in this table must adhere to. The -only rule is that records with Concepts in the Condition, Procedure, -Drug, Measurement, or Device domains MUST go to the corresponding table. - | --integer - | --Yes - | --No - | --Yes - | --CONCEPT - | -- | -
-observation_date - | --The date of the Observation. Depending on what the Observation -represents this could be the date of a lab test, the date of a survey, -or the date a patient’s family history was taken. - | --For some observations the ETL may need to make a choice as to which date -to choose. - | --date - | --No - | --No - | --No - | -- | -- | -
-observation_datetime - | -- | --If no time is given set to midnight (00:00:00). - | --datetime - | --Yes - | --No - | --No - | -- | -- | -
-observation_type_concept_id - | --This field can be used to determine the provenance of the Observation -record, as in whether the measurement was from an EHR system, insurance -claim, registry, or other sources. - | --Choose the OBSERVATION_TYPE_CONCEPT_ID that best represents the -provenance of the record, for example whether it came from an EHR record -or billing claim. Accepted -Concepts. - | --integer - | --Yes - | --No - | --Yes - | --CONCEPT - | --Type Concept - | -
-value_as_number - | --This is the numerical value of the Result of the Observation, if -applicable and available. It is not expected that all Observations will -have numeric results, rather, this field is here to house values should -they exist. - | -- | --float - | --No - | --No - | --No - | -- | -- | -
-value_as_string - | --This is the categorical value of the Result of the Observation, if -applicable and available. - | -- | --varchar(60) - | --No - | --No - | --No - | -- | -- | -
-value_as_concept_id - | --It is possible that some records destined for the Observation table have -two clinical ideas represented in one source code. This is common with -ICD10 codes that describe a family history of some Condition, for -example. In OMOP the Vocabulary breaks these two clinical ideas into two -codes; one becomes the OBSERVATION_CONCEPT_ID and the other becomes the -VALUE_AS_CONCEPT_ID. It is important when using the Observation table to -keep this possibility in mind and to examine the VALUE_AS_CONCEPT_ID -field for relevant information. - | --Note that the value of VALUE_AS_CONCEPT_ID may be provided through -mapping from a source Concept which contains the content of the -Observation. In those situations, the CONCEPT_RELATIONSHIP table in -addition to the ‘Maps to’ record contains a second record with the -relationship_id set to ‘Maps to value’. For example, ICD10 Z82.4 -‘Family history of ischaemic heart disease and other diseases of the -circulatory system’ has a ‘Maps to’ relationship to 4167217 -‘Family history of clinical finding’ as well as a ‘Maps to value’ record -to 134057 -‘Disorder of cardiovascular system’. - | --Integer - | --No - | --No - | --Yes - | --CONCEPT - | -- | -
-qualifier_concept_id - | --This field contains all attributes specifying the clinical fact further, -such as as degrees, severities, drug-drug interaction alerts etc. - | --Use your best judgement as to what Concepts to use here and if they are -necessary to accurately represent the clinical record. There is no -restriction on the domain of these Concepts, they just need to be -Standard. - | --integer - | --No - | --No - | --Yes - | --CONCEPT - | -- | -
-unit_concept_id - | --There is currently no recommended unit for individual observation -concepts. UNIT_SOURCE_VALUES should be mapped to a Standard Concept in -the Unit domain that best represents the unit as given in the source -data. - | --There is no standardization requirement for units associated with -OBSERVATION_CONCEPT_IDs, however, it is the responsibility of the ETL to -choose the most plausible unit. - | --integer - | --No - | --No - | --Yes - | --CONCEPT - | --Unit - | -
-provider_id - | --The provider associated with the observation record, e.g. the provider -who ordered the test or the provider who recorded the result. - | --The ETL may need to make a choice as to which PROVIDER_ID to put here. -Based on what is available this may or may not be different than the -provider associated with the overall VISIT_OCCURRENCE record. For -example the admitting vs attending physician on an EHR record. - | --bigint - | --No - | --No - | --Yes - | --PROVIDER - | -- | -
-visit_occurrence_id - | --The visit during which the Observation occurred. - | --Depending on the structure of the source data, this may have to be -determined based on dates. If an OBSERVATION_DATE occurs within the -start and end date of a Visit it is a valid ETL choice to choose the -VISIT_OCCURRENCE_ID from the visit that subsumes it, even if not -explicitly stated in the data. While not required, an attempt should be -made to locate the VISIT_OCCURRENCE_ID of the observation record. If an -observation is related to a visit explicitly in the source data, it is -possible that the result date of the Observation falls outside of the -bounds of the Visit dates. - | --bigint - | --No - | --No - | --Yes - | --VISIT_OCCURRENCE - | -- | -
-visit_detail_id - | --The VISIT_DETAIL record during which the Observation occurred. For -example, if the Person was in the ICU at the time the VISIT_OCCURRENCE -record would reflect the overall hospital stay and the VISIT_DETAIL -record would reflect the ICU stay during the hospital visit. - | --Same rules apply as for the VISIT_OCCURRENCE_ID. - | --bigint - | --No - | --No - | --Yes - | --VISIT_DETAIL - | -- | -
-observation_source_value - | --This field houses the verbatim value from the source data representing -the Observation that occurred. For example, this could be an ICD10 or -Read code. - | --This code is mapped to a Standard Concept in the Standardized -Vocabularies and the original code is stored here for reference. - | --varchar(50) - | --No - | --No - | --No - | -- | -- | -
-observation_source_concept_id - | --This is the concept representing the OBSERVATION_SOURCE_VALUE and may -not necessarily be standard. This field is discouraged from use in -analysis because it is not required to contain Standard Concepts that -are used across the OHDSI community, and should only be used when -Standard Concepts do not adequately represent the source detail for the -Observation necessary for a given analytic use case. Consider using -OBSERVATION_CONCEPT_ID instead to enable standardized analytics that can -be consistent across the network. - | --If the OBSERVATION_SOURCE_VALUE is coded in the source data using an -OMOP supported vocabulary put the concept id representing the source -value here. If not available, set to 0. - | --integer - | --Yes - | --No - | --Yes - | --CONCEPT - | -- | -
-unit_source_value - | --This field houses the verbatim value from the source data representing -the unit of the Observation that occurred. - | --This code is mapped to a Standard Condition Concept in the Standardized -Vocabularies and the original code is stored here for reference. - | --varchar(50) - | --No - | --No - | --No - | -- | -- | -
-qualifier_source_value - | --This field houses the verbatim value from the source data representing -the qualifier of the Observation that occurred. - | --This code is mapped to a Standard Condition Concept in the Standardized -Vocabularies and the original code is stored here for reference. - | --varchar(50) - | --No - | --No - | --No - | -- | -- | -
-observation_event_id - | --If the Observation record is related to another record in the database, -this field is the primary key of the linked record. - | --Put the primary key of the linked record, if applicable, here. See the -ETL -Conventions for the OBSERVATION table for more details. - | --bigint - | --No - | --No - | --No - | -- | -- | -
-obs_event_field_concept_id - | --If the Observation record is related to another record in the database, -this field is the CONCEPT_ID that identifies which table the primary key -of the linked record came from. - | --Put the CONCEPT_ID that identifies which table and field the -OBSERVATION_EVENT_ID came from. - | --integer - | --No - | --No - | --Yes - | --CONCEPT - | -- | -
-value_as_datetime - | --It is possible that some Observation records might store a result as a -date value. - | -- | --datetime - | --No - | --No - | --No - | -- | -- | -
-CDM Field - | --User Guide - | --ETL Conventions - | --Datatype - | --Required - | --Primary Key - | --Foreign Key - | --FK Table - | --FK Domain - | -
---|---|---|---|---|---|---|---|---|
-note_id - | --A unique identifier for each note. - | -- | --integer - | --Yes - | --Yes - | --No - | -- | -- | -
-person_id - | -- | -- | --bigint - | --Yes - | --No - | --Yes - | --PERSON - | -- | -
-note_event_id - | -- | -- | --bigint - | --No - | --No - | --No - | -- | -- | -
-note_event_field_concept_id - | -- | -- | --integer - | --No - | --No - | --Yes - | --CONCEPT - | -- | -
-note_date - | --The date the note was recorded. - | -- | --date - | --Yes - | --No - | --No - | -- | -- | -
-note_datetime - | -- | --If time is not given set the time to midnight. - | --datetime - | --No - | --No - | --No - | -- | -- | -
-note_type_concept_id - | --The provenance of the note. Most likely this will be EHR. - | --Put the source system of the note, as in EHR record. Accepted -Concepts. - | --integer - | --Yes - | --No - | --Yes - | --CONCEPT - | --Type Concept - | -
-note_class_concept_id - | --A Standard Concept Id representing the HL7 LOINC Document Type -Vocabulary classification of the note. - | --Map the note classification to a Standard Concept. For more information -see the ETL Conventions in the description of the NOTE table. AcceptedConcepts. -This Concept can alternatively be represented by concepts with the -relationship ‘Kind of (LOINC)’ to 706391 -(Note). - | --integer - | --Yes - | --No - | --Yes - | --CONCEPT - | -- | -
-note_title - | --The title of the note. - | -- | --varchar(250) - | --No - | --No - | --No - | -- | -- | -
-note_text - | --The content of the note. - | -- | --varchar(MAX) - | --Yes - | --No - | --No - | -- | -- | -
-encoding_concept_id - | --This is the Concept representing the character encoding type. - | --Put the Concept Id that represents the encoding character type here. -Currently the only option is UTF-8 (32678). It -the note is encoded in any other type, like ASCII then put 0. - | --integer - | --Yes - | --No - | --Yes - | --CONCEPT - | -- | -
-language_concept_id - | --The language of the note. - | --Use Concepts that are descendants of the concept 4182347 -(World Languages). - | --integer - | --Yes - | --No - | --Yes - | --CONCEPT - | -- | -
-provider_id - | --The Provider who wrote the note. - | --The ETL may need to make a determination on which provider to put here. - | --bigint - | --No - | --No - | --Yes - | --PROVIDER - | -- | -
-visit_occurrence_id - | --The Visit during which the note was written. - | -- | --bigint - | --No - | --No - | --Yes - | --VISIT_OCCURRENCE - | -- | -
-visit_detail_id - | --The Visit Detail during which the note was written. - | -- | --bigint - | --No - | --No - | --Yes - | --VISIT_DETAIL - | -- | -
-note_source_value - | -- | --The source value mapped to the NOTE_CLASS_CONCEPT_ID. - | --varchar(50) - | --No - | --No - | --No - | -- | -- | -
NA
ETL Conventions
NA
--CDM Field - | --User Guide - | --ETL Conventions - | --Datatype - | --Required - | --Primary Key - | --Foreign Key - | --FK Table - | --FK Domain - | -
---|---|---|---|---|---|---|---|---|
-note_nlp_id - | --A unique identifier for the NLP record. - | -- | --bigint - | --Yes - | --Yes - | --No - | -- | -- | -
-note_id - | --This is the NOTE_ID for the NOTE record the NLP record is associated to. - | -- | --integer - | --Yes - | --No - | --No - | -- | -- | -
-section_concept_id - | -- | --The SECTION_CONCEPT_ID should be used to represent the note section -contained in the NOTE_NLP record. These concepts can be found as parts -of document panels and are based on the type of note written, i.e. a -discharge summary. These panels can be found as concepts with the -relationship ‘Subsumes’ to CONCEPT_ID 45875957. - | --integer - | --No - | --No - | --Yes - | --CONCEPT - | -- | -
-snippet - | --A small window of text surrounding the term - | -- | --varchar(250) - | --No - | --No - | --No - | -- | -- | -
-"offset" - | --Character offset of the extracted term in the input note - | -- | --varchar(50) - | --No - | --No - | --No - | -- | -- | -
-lexical_variant - | --Raw text extracted from the NLP tool. - | -- | --varchar(250) - | --Yes - | --No - | --No - | -- | -- | -
-note_nlp_concept_id - | -- | -- | --integer - | --No - | --No - | --Yes - | --CONCEPT - | -- | -
-note_nlp_source_concept_id - | -- | -- | --integer - | --No - | --No - | --Yes - | --CONCEPT - | -- | -
-nlp_system - | -- | --Name and version of the NLP system that extracted the term. Useful for -data provenance. - | --varchar(250) - | --No - | --No - | --No - | -- | -- | -
-nlp_date - | --The date of the note processing. - | -- | --date - | --Yes - | --No - | --No - | -- | -- | -
-nlp_datetime - | --The date and time of the note processing. - | -- | --datetime - | --No - | --No - | --No - | -- | -- | -
-term_exists - | -- | --Term_exists is defined as a flag that indicates if the patient actually -has or had the condition. Any of the following modifiers would make -Term_exists false: Negation = true Subject = [anything other than the -patient] Conditional = true/li> Rule_out = true Uncertain = very low -certainty or any lower certainties A complete lack of modifiers would -make Term_exists true. - | --varchar(1) - | --No - | --No - | --No - | -- | -- | -
-term_temporal - | -- | --Term_temporal is to indicate if a condition is present or just in the -past. The following would be past:<br><br> - History = true -- Concept_date = anything before the time of the report - | --varchar(50) - | --No - | --No - | --No - | -- | -- | -
-term_modifiers - | -- | --For the modifiers that are there, they would have to have these -values:<br><br> - Negation = false - Subject = patient - -Conditional = false - Rule_out = false - Uncertain = true or high or -moderate or even low (could argue about low). Term_modifiers will -concatenate all modifiers for different types of entities (conditions, -drugs, labs etc) into one string. Lab values will be saved as one of the -modifiers. - | --varchar(2000) - | --No - | --No - | --No - | -- | -- | -
Anatomic site is coded at the most specific level of granularity possible, such that higher level classifications can be derived using the Standardized Vocabularies.
--CDM Field - | --User Guide - | --ETL Conventions - | --Datatype - | --Required - | --Primary Key - | --Foreign Key - | --FK Table - | --FK Domain - | -
---|---|---|---|---|---|---|---|---|
-specimen_id - | --Unique identifier for each specimen. - | -- | --bigint - | --Yes - | --Yes - | --No - | -- | -- | -
-person_id - | --The person from whom the specimen is collected. - | -- | --bigint - | --Yes - | --No - | --Yes - | --PERSON - | -- | -
-specimen_concept_id - | -- | --The standard CONCEPT_ID that the SPECIMEN_SOURCE_VALUE maps to in the -specimen domain. Accepted -Concepts - | --integer - | --Yes - | --No - | --Yes - | --CONCEPT - | -- | -
-specimen_type_concept_id - | -- | --Put the source of the specimen record, as in an EHR system. Accepted -Concepts. - | --integer - | --Yes - | --No - | --Yes - | --CONCEPT - | --Type Concept - | -
-specimen_date - | --The date the specimen was collected. - | -- | --date - | --Yes - | --No - | --No - | -- | -- | -
-specimen_datetime - | -- | -- | --datetime - | --No - | --No - | --No - | -- | -- | -
-quantity - | --The amount of specimen collected from the person. - | -- | --float - | --No - | --No - | --No - | -- | -- | -
-unit_concept_id - | --The unit for the quantity of the specimen. - | --Map the UNIT_SOURCE_VALUE to a Standard Concept in the Unit domain. Accepted -Concepts - | --integer - | --No - | --No - | --Yes - | --CONCEPT - | -- | -
-anatomic_site_concept_id - | --This is the site on the body where the specimen is from. - | --Map the ANATOMIC_SITE_SOURCE_VALUE to a Standard Concept in the Spec -Anatomic Site domain. This should be coded at the lowest level of -granularity Accepted -Concepts - | --integer - | --No - | --No - | --Yes - | --CONCEPT - | -- | -
-disease_status_concept_id - | -- | -- | --integer - | --No - | --No - | --Yes - | --CONCEPT - | -- | -
-specimen_source_id - | --This is the identifier for the specimen from the source system. - | -- | --varchar(50) - | --No - | --No - | --No - | -- | -- | -
-specimen_source_value - | -- | -- | --varchar(50) - | --No - | --No - | --No - | -- | -- | -
-unit_source_value - | -- | --This unit for the quantity of the specimen, as represented in the -source. - | --varchar(50) - | --No - | --No - | --No - | -- | -- | -
-anatomic_site_source_value - | -- | --This is the site on the body where the specimen was taken from, as -represented in the source. - | --varchar(50) - | --No - | --No - | --No - | -- | -- | -
-disease_status_source_value - | -- | -- | --varchar(50) - | --No - | --No - | --No - | -- | -- | -
-CDM Field - | --User Guide - | --ETL Conventions - | --Datatype - | --Required - | --Primary Key - | --Foreign Key - | --FK Table - | --FK Domain - | -
---|---|---|---|---|---|---|---|---|
-domain_concept_id_1 - | -- | -- | --integer - | --Yes - | --No - | --Yes - | --CONCEPT - | -- | -
-fact_id_1 - | -- | -- | --bigint - | --Yes - | --No - | --No - | -- | -- | -
-domain_concept_id_2 - | -- | -- | --integer - | --Yes - | --No - | --Yes - | --CONCEPT - | -- | -
-fact_id_2 - | -- | -- | --bigint - | --Yes - | --No - | --No - | -- | -- | -
-relationship_concept_id - | -- | -- | --integer - | --Yes - | --No - | --Yes - | --CONCEPT - | -- | -
-CDM Field - | --User Guide - | --ETL Conventions - | --Datatype - | --Required - | --Primary Key - | --Foreign Key - | --FK Table - | --FK Domain - | -
---|---|---|---|---|---|---|---|---|
-survey_conduct_id - | --Unique identifier for each completed survey. - | --For each instance of a survey completion create a unique identifier. - | --bigint - | --Yes - | --Yes - | --No - | -- | -- | -
-person_id - | -- | -- | --bigint - | --Yes - | --No - | --Yes - | --PERSON - | -- | -
-survey_concept_id - | --This is the Concept that represents the survey that was completed. - | --Put the CONCEPT_ID that identifies the survey that the Person completed. -There is no specified domain for this table but the concept class -‘staging/scales’ contains many common surveys. Accepted -Concepts. - | --integer - | --Yes - | --No - | --Yes - | --CONCEPT - | -- | -
-survey_start_date - | --Date on which the survey was started. - | -- | --date - | --No - | --No - | --No - | -- | -- | -
-survey_start_datetime - | -- | --If no time given, set to midnight. - | --datetime - | --No - | --No - | --No - | -- | -- | -
-survey_end_date - | --Date on which the survey was completed. - | -- | --date - | --No - | --No - | --No - | -- | -- | -
-survey_end_datetime - | -- | --If no time given, set to midnight. - | --datetime - | --Yes - | --No - | --No - | -- | -- | -
-provider_id - | --This is the Provider associated with the survey completion. - | --The ETL may need to make a choice as to which Provider to put here. This -could either be the provider that ordered the survey or the provider who -observed the completion of the survey. - | --bigint - | --No - | --No - | --Yes - | --PROVIDER - | -- | -
-assisted_concept_id - | --This is a Concept that represents whether the survey was completed with -assistance or independently. - | --There is no specific domain or class for this field, just choose the one -that best represents the value given in the source. - | --integer - | --Yes - | --No - | --Yes - | --CONCEPT - | -- | -
-respondent_type_concept_id - | --This is a Concept that represents who actually recorded the answers to -the survey. For example, this could be the patient or a research -associate. - | --There is no specific domain or class for this field, just choose the one -that best represents the value given in the source. - | --integer - | --Yes - | --No - | --Yes - | --CONCEPT - | -- | -
-timing_concept_id - | --This is a Concept that represents the timing of the survey. For example -this could be the 3-month follow-up appointment. - | --There is no specific domain or class for this field, just choose the one -that best represents the value given in the source. - | --integer - | --Yes - | --No - | --Yes - | --CONCEPT - | -- | -
-collection_method_concept_id - | --This Concept represents how the responses were collected. - | --Use the concepts that have the relationship ‘Has Answer’ with the -CONCEPT_ID 42529316. - | --integer - | --Yes - | --No - | --Yes - | --CONCEPT - | -- | -
-assisted_source_value - | --Source value representing whether patient required assistance to -complete the survey. Example: ‘Completed without assistance’, ‘Completed -with assistance’. - | -- | --varchar(50) - | --No - | --No - | --No - | -- | -- | -
-respondent_type_source_value - | --Source code representing role of person who completed the survey. - | -- | --varchar(100) - | --No - | --No - | --No - | -- | -- | -
-timing_source_value - | --Text string representing the timing of the survey. Example: Baseline, -6-month follow-up. - | -- | --varchar(100) - | --No - | --No - | --No - | -- | -- | -
-collection_method_source_value - | --The collection method as it appears in the source data. - | -- | --varchar(100) - | --No - | --No - | --No - | -- | -- | -
-survey_source_value - | --The survey name as it appears in the source data. - | -- | --varchar(100) - | --No - | --No - | --No - | -- | -- | -
-survey_source_concept_id - | -- | --If unavailable, set to 0. - | --integer - | --Yes - | --No - | --Yes - | --CONCEPT - | -- | -
-survey_source_identifier - | --Unique identifier for each completed survey in source system. - | -- | --varchar(100) - | --No - | --No - | --No - | -- | -- | -
-validated_survey_concept_id - | -- | --If unavailable, set to 0. - | --integer - | --Yes - | --No - | --Yes - | --CONCEPT - | -- | -
-validated_survey_source_value - | --Source value representing the validation status of the survey. - | -- | --varchar(100) - | --No - | --No - | --No - | -- | -- | -
-survey_version_number - | --Version number of the questionnaire or survey used. - | -- | --varchar(20) - | --No - | --No - | --No - | -- | -- | -
-visit_occurrence_id - | --The Visit during which the Survey occurred. - | -- | --bigint - | --No - | --No - | --Yes - | --VISIT_OCCURRENCE - | -- | -
-response_visit_occurrence_id - | --The Visit during which any treatment related to the Survey was carried -out. - | -- | --bigint - | --No - | --No - | --Yes - | --VISIT_OCCURRENCE - | -- | -
-CDM Field - | --User Guide - | --ETL Conventions - | --Datatype - | --Required - | --Primary Key - | --Foreign Key - | --FK Table - | --FK Domain - | -
---|---|---|---|---|---|---|---|---|
-location_id - | --The unique key given to a unique Location. - | --Each instance of a Location in the source data should be assigned this -unique key. - | --bigint - | --Yes - | --Yes - | --No - | -- | -- | -
-address_1 - | --This is the first line of the address. - | -- | --varchar(50) - | --No - | --No - | --No - | -- | -- | -
-address_2 - | --This is the second line of the address - | -- | --varchar(50) - | --No - | --No - | --No - | -- | -- | -
-city - | -- | -- | --varchar(50) - | --No - | --No - | --No - | -- | -- | -
-state - | -- | -- | --varchar(2) - | --No - | --No - | --No - | -- | -- | -
-zip - | -- | --Zip codes are handled as strings of up to 9 characters length. For US -addresses, these represent either a 3-digit abbreviated Zip code as -provided by many sources for patient protection reasons, the full -5-digit Zip or the 9-digit (ZIP + 4) codes. Unless for specific reasons -analytical methods should expect and utilize only the first 3 digits. -For international addresses, different rules apply. - | --varchar(9) - | --No - | --No - | --No - | -- | -- | -
-county - | -- | -- | --varchar(20) - | --No - | --No - | --No - | -- | -- | -
-location_source_value - | -- | --Put the verbatim value for the location here, as it shows up in the -source. - | --varchar(50) - | --No - | --No - | --No - | -- | -- | -
-latitude - | --The geocoded latitude. - | -- | --float - | --No - | --No - | --No - | -- | -- | -
-longitude - | --The geocoded longitude. - | -- | --float - | --No - | --No - | --No - | -- | -- | -
NA
ETL Conventions
NA
--CDM Field - | --User Guide - | --ETL Conventions - | --Datatype - | --Required - | --Primary Key - | --Foreign Key - | --FK Table - | --FK Domain - | -
---|---|---|---|---|---|---|---|---|
-location_id - | --This is the LOCATION_ID for the LOCATION_HISTORY record. - | -- | --bigint - | --Yes - | --No - | --Yes - | --LOCATION - | -- | -
-relationship_type_concept_id - | --This is the relationship between the location and the entity (PERSON, -PROVIDER, or CARE_SITE) - | --Concepts in this field must be in the Location class. Accepted -Concepts. If the DOMAIN_ID is CARE_SITE this should be 0 and when -the domain is PROVIDER the value is Office. - | --integer - | --Yes - | --No - | --Yes - | --CONCEPT - | -- | -
-domain_id - | -- | --The domain of the entity that is related to the location. Either PERSON, -PROVIDER, or CARE_SITE. - | --varchar(50) - | --Yes - | --No - | --No - | -- | -- | -
-entity_id - | -- | --The unique identifier for the entity. References either person_id, -provider_id, or care_site_id, depending on domain_id. - | --bigint - | --Yes - | --No - | --No - | -- | -- | -
-start_date - | --The date the relationship started - | -- | --date - | --Yes - | --No - | --No - | -- | -- | -
-end_date - | --The date the relationship ended - | -- | --date - | --No - | --No - | --No - | -- | -- | -
-CDM Field - | --User Guide - | --ETL Conventions - | --Datatype - | --Required - | --Primary Key - | --Foreign Key - | --FK Table - | --FK Domain - | -
---|---|---|---|---|---|---|---|---|
-care_site_id - | -- | --Assign an id to each unique combination of location_id and -place_of_service_source_value. - | --bigint - | --Yes - | --Yes - | --No - | -- | -- | -
-care_site_name - | --The name of the care_site as it appears in the source data - | -- | --varchar(255) - | --No - | --No - | --No - | -- | -- | -
-place_of_service_concept_id - | --This is a high-level way of characterizing a Care Site. Typically, -however, Care Sites can provide care in multiple settings (inpatient, -outpatient, etc.) and this granularity should be reflected in the visit. - | --Choose the concept in the visit domain that best represents the setting -in which healthcare is provided in the Care Site. If most visits in a -Care Site are Inpatient, then the place_of_service_concept_id should -represent Inpatient. If information is present about a unique Care Site -(e.g. Pharmacy) then a Care Site record should be created. If this -information is not available then set to 0. Accepted -Concepts. - | --integer - | --Yes - | --No - | --Yes - | --CONCEPT - | -- | -
-location_id - | --The location_id from the LOCATION table representing the physical -location of the care_site. - | -- | --bigint - | --No - | --No - | --Yes - | --LOCATION - | -- | -
-care_site_source_value - | --The identifier of the care_site as it appears in the source data. This -could be an identifier separate from the name of the care_site. - | -- | --varchar(50) - | --No - | --No - | --No - | -- | -- | -
-place_of_service_source_value - | -- | --Put the place of service of the care_site as it appears in the source -data. - | --varchar(50) - | --No - | --No - | --No - | -- | -- | -
ETL Conventions
NA
--CDM Field - | --User Guide - | --ETL Conventions - | --Datatype - | --Required - | --Primary Key - | --Foreign Key - | --FK Table - | --FK Domain - | -
---|---|---|---|---|---|---|---|---|
-provider_id - | --It is assumed that every provider with a different unique identifier is -in fact a different person and should be treated independently. - | --This identifier can be the original id from the source data provided it -is an integer, otherwise it can be an autogenerated number. - | --bigint - | --Yes - | --Yes - | --No - | -- | -- | -
-provider_name - | -- | --This field is not necessary as it is not necessary to have the actual -identity of the Provider. Rather, the idea is to uniquely and -anonymously identify providers of care across the database. - | --varchar(255) - | --No - | --No - | --No - | -- | -- | -
-npi - | --This is the National Provider Number issued to health care providers in -the US by the Centers for Medicare and Medicaid Services (CMS). - | -- | --varchar(20) - | --No - | --No - | --No - | -- | -- | -
-dea - | --This is the identifier issued by the DEA, a US federal agency, that -allows a provider to write prescriptions for controlled substances. - | -- | --varchar(20) - | --No - | --No - | --No - | -- | -- | -
-specialty_concept_id - | --This field either represents the most common specialty that occurs in -the data or the most specific concept that represents all specialties -listed, should the provider have more than one. This includes physician -specialties such as internal medicine, emergency medicine, etc. and -allied health professionals such as nurses, midwives, and pharmacists. - | --If a Provider has more than one Specialty, there are two options: 1. -Choose a concept_id which is a common ancestor to the multiple -specialties, or, 2. Choose the specialty that occurs most often for the -provider. Concepts in this field should be Standard with a domain of -Provider. If not available, set to 0. Accepted -Concepts. - | --integer - | --Yes - | --No - | --Yes - | --CONCEPT - | -- | -
-care_site_id - | --This is the CARE_SITE_ID for the location that the provider primarily -practices in. - | --If a Provider has more than one Care Site, the main or most often -exerted CARE_SITE_ID should be recorded. - | --bigint - | --No - | --No - | --Yes - | --CARE_SITE - | -- | -
-year_of_birth - | -- | -- | --integer - | --No - | --No - | --No - | -- | -- | -
-gender_concept_id - | --This field represents the recorded gender of the provider in the source -data. - | --If given, put a concept from the gender domain representing the recorded -gender of the provider. If not available, set to 0. Accepted -Concepts. - | --integer - | --Yes - | --No - | --Yes - | --CONCEPT - | --Gender - | -
-provider_source_value - | --Use this field to link back to providers in the source data. This is -typically used for error checking of ETL logic. - | --Some use cases require the ability to link back to providers in the -source data. This field allows for the storing of the provider -identifier as it appears in the source. - | --varchar(50) - | --No - | --No - | --No - | -- | -- | -
-specialty_source_value - | --This is the kind of provider or specialty as it appears in the source -data. This includes physician specialties such as internal medicine, -emergency medicine, etc. and allied health professionals such as nurses, -midwives, and pharmacists. - | --Put the kind of provider as it appears in the source data. This field is -up to the discretion of the ETL-er as to whether this should be the -coded value from the source or the text description of the lookup value. - | --varchar(50) - | --No - | --No - | --No - | -- | -- | -
-specialty_source_concept_id - | --This is often zero as many sites use proprietary codes to store -physician speciality. - | --If the source data codes provider specialty in an OMOP supported -vocabulary store the concept_id here. If not available, set to 0. - | --integer - | --Yes - | --No - | --Yes - | --CONCEPT - | -- | -
-gender_source_value - | --This is provider’s gender as it appears in the source data. - | --Put the provider’s gender as it appears in the source data. This field -is up to the discretion of the ETL-er as to whether this should be the -coded value from the source or the text description of the lookup value. - | --varchar(50) - | --No - | --No - | --No - | -- | -- | -
-gender_source_concept_id - | --This is often zero as many sites use proprietary codes to store provider -gender. - | --If the source data codes provider gender in an OMOP supported vocabulary -store the concept_id here. If not available, set to 0. - | --integer - | --Yes - | --No - | --Yes - | --CONCEPT - | -- | -
ETL Conventions
NA
--CDM Field - | --User Guide - | --ETL Conventions - | --Datatype - | --Required - | --Primary Key - | --Foreign Key - | --FK Table - | --FK Domain - | -
---|---|---|---|---|---|---|---|---|
-payer_plan_period_id - | --A unique identifier for each unique combination of a Person, Payer, -Plan, and Period of time. - | -- | --bigint - | --Yes - | --Yes - | -- | -- | -- | -
-person_id - | --The Person covered by the Plan. - | --A single Person can have multiple, overlapping, PAYER_PLAN_PERIOD -records - | --bigint - | --Yes - | --No - | --Yes - | --PERSON - | -- | -
-contract_person_id - | --The Person who is the primary subscriber/contract owner for Plan. - | --This may or may not be the same as the PERSON_ID. For example, if a -mother has her son on her plan and the PAYER_PLAN_PERIOD record is the -for son, the sons’s PERSON_ID would go in PAYER_PLAN_PERIOD.PERSON_ID -and the mother’s PERSON_ID would go in -PAYER_PLAN_PERIOD.CONTRACT_PERSON_ID. - | --bigint - | --No - | --No - | --Yes - | --PERSON - | -- | -
-payer_plan_period_start_date - | --Start date of Plan coverage. - | -- | --date - | --Yes - | --No - | --No - | -- | -- | -
-payer_plan_period_end_date - | --End date of Plan coverage. - | -- | --date - | --Yes - | --No - | --No - | -- | -- | -
-payer_concept_id - | --This field represents the organization who reimburses the provider which -administers care to the Person. - | --Map the Payer directly to a standard CONCEPT_ID. If one does not exists -please contact the vocabulary team. There is no global controlled -vocabulary available for this information. The point is to stratify on -this information and identify if Persons have the same payer, though the -name of the Payer is not necessary. If not available, set to 0. Accepted -Concepts. - | --integer - | --Yes - | --No - | --Yes - | --CONCEPT - | -- | -
-payer_source_value - | --This is the Payer as it appears in the source data. - | -- | --varchar(50) - | --No - | --No - | --No - | -- | -- | -
-payer_source_concept_id - | -- | --If the source data codes the Payer in an OMOP supported vocabulary store -the concept_id here. If not available, set to 0. - | --integer - | --Yes - | --No - | --Yes - | --CONCEPT - | -- | -
-plan_concept_id - | --This field represents the specific health benefit Plan the Person is -enrolled in. - | --Map the Plan directly to a standard CONCEPT_ID. If one does not exists -please contact the vocabulary team. There is no global controlled -vocabulary available for this information. The point is to stratify on -this information and identify if Persons have the same health benefit -Plan though the name of the Plan is not necessary. If not available, set -to 0. Accepted -Concepts. - | --integer - | --Yes - | --No - | --Yes - | --CONCEPT - | -- | -
-plan_source_value - | --This is the health benefit Plan of the Person as it appears in the -source data. - | -- | --varchar(50) - | --No - | --No - | --No - | -- | -- | -
-plan_source_concept_id - | -- | --If the source data codes the Plan in an OMOP supported vocabulary store -the concept_id here. If not available, set to 0. - | --integer - | --Yes - | --No - | --Yes - | --CONCEPT - | -- | -
-contract_concept_id - | --This field represents the relationship between the PERSON_ID and -CONTRACT_PERSON_ID. It should be read as PERSON_ID is the -CONTRACT_CONCEPT_ID of the CONTRACT_PERSON_ID. So if -CONTRACT_CONCEPT_ID represents the relationship ‘Stepdaughter’ then the -Person for whom PAYER_PLAN_PERIOD record was recorded is the -stepdaughter of the CONTRACT_PERSON_ID. - | --If available, use this field to represent the relationship between the -PERSON_ID and the CONTRACT_PERSON_ID. If the Person for whom the -PAYER_PLAN_PERIOD record was recorded is the stepdaughter of the -CONTRACT_PERSON_ID then CONTRACT_CONCEPT_ID would be 4330864. -If not available, set to 0. Accepted -Concepts. - | --integer - | --Yes - | --No - | --Yes - | --CONCEPT - | -- | -
-contract_source_value - | --This is the relationship of the PERSON_ID to CONTRACT_PERSON_ID as it -appears in the source data. - | -- | --varchar(50) - | --Yes - | --No - | --No - | -- | -- | -
-contract_source_concept_id - | -- | --If the source data codes the relationship between the PERSON_ID and -CONTRACT_PERSON_ID in an OMOP supported vocabulary store the concept_id -here. If not available, set to 0. - | --integer - | --Yes - | --No - | --Yes - | --CONCEPT - | -- | -
-sponsor_concept_id - | --This field represents the sponsor of the Plan who finances the Plan. -This includes self-insured, small group health plan and large group -health plan. - | --Map the sponsor directly to a standard CONCEPT_ID. If one does not -exists please contact the vocabulary team. There is no global controlled -vocabulary available for this information. The point is to stratify on -this information and identify if Persons have the same sponsor though -the name of the sponsor is not necessary. If not available, set to 0. Accepted -Concepts. - | --integer - | --Yes - | --No - | --Yes - | --CONCEPT - | -- | -
-sponsor_source_value - | --The Plan sponsor as it appears in the source data. - | -- | --varchar(50) - | --No - | --No - | --No - | -- | -- | -
-sponsor_source_concept_id - | -- | --If the source data codes the sponsor in an OMOP supported vocabulary -store the concept_id here. - | --integer - | --No - | --No - | --Yes - | --CONCEPT - | -- | -
-family_source_value - | --The common identifier for all people (often a family) that covered by -the same policy. - | --Often these are the common digits of the enrollment id of the policy -members. - | --varchar(50) - | --No - | --No - | --No - | -- | -- | -
-stop_reason_concept_id - | --This field represents the reason the Person left the Plan, if known. - | --Map the stop reason directly to a standard CONCEPT_ID. If one does not -exists please contact the vocabulary team. There is no global controlled -vocabulary available for this information. Accepted -Concepts. - | --integer - | --No - | --No - | --Yes - | --CONCEPT - | -- | -
-stop_reason_source_value - | --The Plan stop reason as it appears in the source data. - | -- | --varchar(50) - | --No - | --No - | --No - | -- | -- | -
-stop_reason_source_concept_id - | -- | --If the source data codes the stop reason in an OMOP supported vocabulary -store the concept_id here. - | --integer - | --No - | --No - | --Yes - | --CONCEPT - | -- | -
-CDM Field - | --User Guide - | --ETL Conventions - | --Datatype - | --Required - | --Primary Key - | --Foreign Key - | --FK Table - | --FK Domain - | -
---|---|---|---|---|---|---|---|---|
-cost_id - | --A unique identifier for each COST record. - | -- | --bigint - | --Yes - | --Yes - | --No - | -- | -- | -
-person_id - | -- | -- | --bigint - | --Yes - | --No - | --No - | -- | -- | -
-cost_event_id - | --If the Cost record is related to another record in the database, this -field is the primary key of the linked record. - | --Put the primary key of the linked record, if applicable, here. - | --bigint - | --Yes - | --No - | --No - | -- | -- | -
-cost_event_field_concept_id - | --If the Cost record is related to another record in the database, this -field is the CONCEPT_ID that identifies which table the primary key of -the linked record came from. - | --Put the CONCEPT_ID that identifies which table and field the -COST_EVENT_ID came from. - | --integer - | --Yes - | --No - | --Yes - | --CONCEPT - | -- | -
-cost_concept_id - | --A foreign key that refers to a Standard Cost Concept identifier in the -Standardized Vocabularies belonging to the ‘Cost’ vocabulary. - | -- | --integer - | --No - | --No - | --Yes - | --CONCEPT - | -- | -
-cost_type_concept_id - | --A foreign key identifier to a concept in the CONCEPT table for the -provenance or the source of the COST data and belonging to the ‘Type -Concept’ vocabulary - | -- | --integer - | --No - | --No - | --Yes - | --CONCEPT - | --Type Concept - | -
-cost_source_concept_id - | --A foreign key to a Cost Concept that refers to the code used in the -source. - | -- | --integer - | --No - | --No - | --Yes - | --CONCEPT - | -- | -
-cost_source_value - | --The source value for the cost as it appears in the source data - | -- | --varchar(50) - | --No - | --No - | --No - | -- | -- | -
-currency_concept_id - | --A foreign key identifier to the concept representing the 3-letter code -used to delineate international currencies, such as USD for US Dollar. -These belong to the ‘Currency’ vocabulary - | -- | --integer - | --No - | --No - | --No - | --CONCEPT - | -- | -
-cost - | --The actual financial cost amount - | -- | --float - | --No - | --No - | --No - | -- | -- | -
-incurred_date - | --The first date of service of the clinical event corresponding to the -cost as in table capturing the information (e.g. date of visit, date of -procedure, date of condition, date of drug etc). - | -- | --date - | --No - | --No - | --No - | -- | -- | -
-billed_date - | --The date a bill was generated for a service or encounter - | -- | --date - | --No - | --No - | --No - | -- | -- | -
-paid_date - | --The date payment was received for a service or encounter - | -- | --date - | --No - | --No - | --No - | -- | -- | -
-revenue_code_concept_id - | --A foreign key referring to a Standard Concept ID in the Standardized -Vocabularies for Revenue codes belonging to the ‘Revenue Code’ -vocabulary. - | -- | --integer - | --No - | --No - | --Yes - | --CONCEPT - | -- | -
-drg_concept_id - | --A foreign key referring to a Standard Concept ID in the Standardized -Vocabularies for DRG codes belonging to the ‘DRG’ vocabulary. - | -- | --integer - | --No - | --No - | --Yes - | --CONCEPT - | -- | -
-revenue_code_source_value - | --The source value for the Revenue code as it appears in the source data, -stored here for reference. - | -- | --varchar(50) - | --No - | --No - | --No - | -- | -- | -
-drg_source_value - | --The source value for the 3-digit DRG source code as it appears in the -source data, stored here for reference. - | -- | --varchar(50) - | --No - | --No - | --No - | -- | -- | -
-payer_plan_period_id - | --A foreign key to the PAYER_PLAN_PERIOD table, where the details of the -Payer, Plan and Family are stored. Record the payer_plan_id that relates -to the payer who contributed to the paid_by_payer field. - | -- | --bigint - | --No - | --No - | --No - | -- | -- | -
ETL Conventions
The SQL script for generating DRUG_ERA records can be found here.
--CDM Field - | --User Guide - | --ETL Conventions - | --Datatype - | --Required - | --Primary Key - | --Foreign Key - | --FK Table - | --FK Domain - | -
---|---|---|---|---|---|---|---|---|
-drug_era_id - | -- | -- | --bigint - | --Yes - | --Yes - | --No - | -- | -- | -
-person_id - | -- | -- | --bigint - | --Yes - | --No - | --Yes - | --PERSON - | -- | -
-drug_concept_id - | --The Concept Id representing the specific drug ingredient. - | -- | --integer - | --Yes - | --No - | --Yes - | --CONCEPT - | --Drug - | -
-drug_era_start_datetime - | -- | --The Drug Era Start Date is the start date of the first Drug Exposure for -a given ingredient, with at least 31 days since the previous exposure. - | --datetime - | --Yes - | --No - | --No - | -- | -- | -
-drug_era_end_datetime - | -- | --The Drug Era End Date is the end date of the last Drug Exposure. The End -Date of each Drug Exposure is either taken from the field -drug_exposure_end_date or, as it is typically not available, inferred -using the following rules: For pharmacy prescription data, the date when -the drug was dispensed plus the number of days of supply are used to -extrapolate the End Date for the Drug Exposure. Depending on the -country-specific healthcare system, this supply information is either -explicitly provided in the day_supply field or inferred from package -size or similar information. For Procedure Drugs, usually the drug is -administered on a single date (i.e., the administration date). A -standard Persistence Window of 30 days (gap, slack) is permitted between -two subsequent such extrapolated DRUG_EXPOSURE records to be considered -to be merged into a single Drug Era. - | --datetime - | --Yes - | --No - | --No - | -- | -- | -
-drug_exposure_count - | --The count of grouped DRUG_EXPOSURE records that were included in the -DRUG_ERA row. - | -- | --integer - | --No - | --No - | --No - | -- | -- | -
-gap_days - | -- | --The Gap Days determine how many total drug-free days are observed -between all Drug Exposure events that contribute to a DRUG_ERA record. -It is assumed that the drugs are “not stockpiled” by the patient, -i.e. that if a new drug prescription or refill is observed (a new -DRUG_EXPOSURE record is written), the remaining supply from the previous -events is abandoned. The difference between Persistence Window and Gap -Days is that the former is the maximum drug-free time allowed between -two subsequent DRUG_EXPOSURE records, while the latter is the sum of -actual drug-free days for the given Drug Era under the above assumption -of non-stockpiling. - | --integer - | --No - | --No - | --No - | -- | -- | -
-CDM Field - | --User Guide - | --ETL Conventions - | --Datatype - | --Required - | --Primary Key - | --Foreign Key - | --FK Table - | --FK Domain - | -
---|---|---|---|---|---|---|---|---|
-dose_era_id - | -- | -- | --bigint - | --Yes - | --Yes - | --No - | -- | -- | -
-person_id - | -- | -- | --bigint - | --Yes - | --No - | --Yes - | --PERSON - | -- | -
-drug_concept_id - | --The Concept Id representing the specific drug ingredient. - | -- | --integer - | --Yes - | --No - | --Yes - | --CONCEPT - | --Drug - | -
-unit_concept_id - | --The Concept Id representing the unit of the specific drug ingredient. - | -- | --integer - | --Yes - | --No - | --Yes - | --CONCEPT - | --Unit - | -
-dose_value - | --The numeric value of the dosage of the drug_ingredient. - | -- | --float - | --Yes - | --No - | --No - | -- | -- | -
-dose_era_start_datetime - | --The date the Person started on the specific dosage, with at least 31 -days since any prior exposure. - | -- | --datetime - | --Yes - | --No - | --No - | -- | -- | -
-dose_era_end_datetime - | -- | --The date the Person was no longer exposed to the dosage of the specific -drug ingredient. An era is ended if there are 31 days or more between -dosage records. - | --datetime - | --Yes - | --No - | --No - | -- | -- | -
-CDM Field - | --User Guide - | --ETL Conventions - | --Datatype - | --Required - | --Primary Key - | --Foreign Key - | --FK Table - | --FK Domain - | -
---|---|---|---|---|---|---|---|---|
-condition_era_id - | -- | -- | --bigint - | --Yes - | --Yes - | --No - | -- | -- | -
-person_id - | -- | -- | --bigint - | --Yes - | --No - | --No - | --PERSON - | -- | -
-condition_concept_id - | --The Concept Id representing the Condition. - | -- | --integer - | --Yes - | --No - | --Yes - | --CONCEPT - | --Condition - | -
-condition_era_start_datetime - | --The start date for the Condition Era constructed from the individual -instances of Condition Occurrences. It is the start date of the very -first chronologically recorded instance of the condition with at least -31 days since any prior record of the same Condition. - | -- | --datetime - | --Yes - | --No - | --No - | -- | -- | -
-condition_era_end_datetime - | --The end date for the Condition Era constructed from the individual -instances of Condition Occurrences. It is the end date of the final -continuously recorded instance of the Condition. - | -- | --datetime - | --Yes - | --No - | --No - | -- | -- | -
-condition_occurrence_count - | --The number of individual Condition Occurrences used to construct the -condition era. - | -- | --integer - | --No - | --No - | --No - | -- | -- | -
NA
ETL Conventions
NA
--CDM Field - | --User Guide - | --ETL Conventions - | --Datatype - | --Required - | --Primary Key - | --Foreign Key - | --FK Table - | --FK Domain - | -
---|---|---|---|---|---|---|---|---|
-metadata_concept_id - | -- | -- | --integer - | --Yes - | --No - | --Yes - | --CONCEPT - | -- | -
-metadata_type_concept_id - | -- | -- | --integer - | --Yes - | --No - | --Yes - | --CONCEPT - | -- | -
-name - | -- | -- | --varchar(250) - | --Yes - | --No - | --No - | -- | -- | -
-value_as_string - | -- | -- | --varchar(250) - | --No - | --No - | --No - | -- | -- | -
-value_as_concept_id - | -- | -- | --integer - | --No - | --No - | --Yes - | --CONCEPT - | -- | -
-metadata_date - | -- | -- | --date - | --No - | --No - | --No - | -- | -- | -
-metadata_datetime - | -- | -- | --datetime - | --No - | --No - | --No - | -- | -- | -
NA
ETL Conventions
NA
--CDM Field - | --User Guide - | --ETL Conventions - | --Datatype - | --Required - | --Primary Key - | --Foreign Key - | --FK Table - | --FK Domain - | -
---|---|---|---|---|---|---|---|---|
-cdm_source_name - | --The name of the CDM instance. - | -- | --varchar(255) - | --Yes - | --No - | --No - | -- | -- | -
-cdm_source_abbreviation - | --The abbreviation of the CDM instance. - | -- | --varchar(25) - | --No - | --No - | --No - | -- | -- | -
-cdm_holder - | --The holder of the CDM instance. - | -- | --varchar(255) - | --No - | --No - | --No - | -- | -- | -
-source_description - | --The description of the CDM instance. - | -- | --varchar(MAX) - | --No - | --No - | --No - | -- | -- | -
-source_documentation_reference - | -- | -- | --varchar(255) - | --No - | --No - | --No - | -- | -- | -
-cdm_etl_reference - | -- | --Put the link to the CDM version used. - | --varchar(255) - | --No - | --No - | --No - | -- | -- | -
-source_release_date - | --The release date of the source data. - | -- | --date - | --No - | --No - | --No - | -- | -- | -
-cdm_release_date - | --The release data of the CDM instance. - | -- | --date - | --No - | --No - | --No - | -- | -- | -
-cdm_version - | -- | -- | --varchar(10) - | --No - | --No - | --No - | -- | -- | -
-vocabulary_version - | -- | -- | --varchar(20) - | --No - | --No - | --No - | -- | -- | -
NA
ETL Conventions
NA
--CDM Field - | --User Guide - | --ETL Conventions - | --Datatype - | --Required - | --Primary Key - | --Foreign Key - | --FK Table - | --FK Domain - | -
---|---|---|---|---|---|---|---|---|
-concept_id - | --A unique identifier for each Concept across all domains. - | -- | --integer - | --Yes - | --Yes - | --No - | -- | -- | -
-concept_name - | --An unambiguous, meaningful and descriptive name for the Concept. - | -- | --varchar(255) - | --Yes - | --No - | --No - | -- | -- | -
-domain_id - | --A foreign key to the DOMAIN -table the Concept belongs to. - | -- | --varchar(20) - | --Yes - | --No - | --Yes - | --DOMAIN - | -- | -
-vocabulary_id - | --A foreign key to the VOCABULARY -table indicating from which source the Concept has been adapted. - | -- | --varchar(20) - | --Yes - | --No - | --Yes - | --VOCABULARY - | -- | -
-concept_class_id - | --The attribute or concept class of the Concept. Examples are ‘Clinical -Drug’, ‘Ingredient’, ‘Clinical Finding’ etc. - | -- | --varchar(20) - | --Yes - | --No - | --Yes - | --CONCEPT_CLASS - | -- | -
-standard_concept - | --This flag determines where a Concept is a Standard Concept, i.e. is used -in the data, a Classification Concept, or a non-standard Source Concept. -The allowable values are ‘S’ (Standard Concept) and ‘C’ (Classification -Concept), otherwise the content is NULL. - | -- | --varchar(1) - | --No - | --No - | --No - | -- | -- | -
-concept_code - | --The concept code represents the identifier of the Concept in the source -vocabulary, such as SNOMED-CT concept IDs, RxNorm RXCUIs etc. Note that -concept codes are not unique across vocabularies. - | -- | --varchar(50) - | --Yes - | --No - | --No - | -- | -- | -
-valid_start_date - | --The date when the Concept was first recorded. The default value is -1-Jan-1970, meaning, the Concept has no (known) date of inception. - | -- | --date - | --Yes - | --No - | --No - | -- | -- | -
-valid_end_date - | --The date when the Concept became invalid because it was deleted or -superseded (updated) by a new concept. The default value is 31-Dec-2099, -meaning, the Concept is valid until it becomes deprecated. - | -- | --date - | --Yes - | --No - | --No - | -- | -- | -
-invalid_reason - | --Reason the Concept was invalidated. Possible values are D (deleted), U -(replaced with an update) or NULL when valid_end_date has the default -value. - | -- | --varchar(1) - | --No - | --No - | --No - | -- | -- | -
NA
ETL Conventions
NA
--CDM Field - | --User Guide - | --ETL Conventions - | --Datatype - | --Required - | --Primary Key - | --Foreign Key - | --FK Table - | --FK Domain - | -
---|---|---|---|---|---|---|---|---|
-vocabulary_id - | --A unique identifier for each Vocabulary, such as ICD9CM, SNOMED, Visit. - | -- | --varchar(20) - | --Yes - | --Yes - | --No - | -- | -- | -
-vocabulary_name - | --The name describing the vocabulary, for example International -Classification of Diseases, Ninth Revision, Clinical Modification, -Volume 1 and 2 (NCHS) etc. - | -- | --varchar(255) - | --Yes - | --No - | --No - | -- | -- | -
-vocabulary_reference - | --External reference to documentation or available download of the about -the vocabulary. - | -- | --varchar(255) - | --Yes - | --No - | --No - | -- | -- | -
-vocabulary_version - | --Version of the Vocabulary as indicated in the source. - | -- | --varchar(255) - | --No - | --No - | --No - | -- | -- | -
-vocabulary_concept_id - | --A Concept that represents the Vocabulary the VOCABULARY record belongs -to. - | -- | --integer - | --Yes - | --No - | --Yes - | --CONCEPT - | -- | -
NA
ETL Conventions
NA
--CDM Field - | --User Guide - | --ETL Conventions - | --Datatype - | --Required - | --Primary Key - | --Foreign Key - | --FK Table - | --FK Domain - | -
---|---|---|---|---|---|---|---|---|
-domain_id - | --A unique key for each domain. - | -- | --varchar(20) - | --Yes - | --Yes - | --No - | -- | -- | -
-domain_name - | --The name describing the Domain, e.g. Condition, Procedure, Measurement -etc. - | -- | --varchar(255) - | --Yes - | --No - | --No - | -- | -- | -
-domain_concept_id - | --A Concept representing the Domain Concept the DOMAIN record belongs to. - | -- | --integer - | --Yes - | --No - | --Yes - | --CONCEPT - | -- | -
NA
ETL Conventions
NA
--CDM Field - | --User Guide - | --ETL Conventions - | --Datatype - | --Required - | --Primary Key - | --Foreign Key - | --FK Table - | --FK Domain - | -
---|---|---|---|---|---|---|---|---|
-concept_class_id - | --A unique key for each class. - | -- | --varchar(20) - | --Yes - | --Yes - | --No - | -- | -- | -
-concept_class_name - | --The name describing the Concept Class, e.g. Clinical Finding, -Ingredient, etc. - | -- | --varchar(255) - | --Yes - | --No - | --No - | -- | -- | -
-concept_class_concept_id - | --A Concept that represents the Concept Class. - | -- | --integer - | --Yes - | --No - | --Yes - | --CONCEPT - | -- | -
NA
ETL Conventions
NA
--CDM Field - | --User Guide - | --ETL Conventions - | --Datatype - | --Required - | --Primary Key - | --Foreign Key - | --FK Table - | --FK Domain - | -
---|---|---|---|---|---|---|---|---|
-concept_id_1 - | -- | -- | --integer - | --Yes - | --No - | --Yes - | --CONCEPT - | -- | -
-concept_id_2 - | -- | -- | --integer - | --Yes - | --No - | --Yes - | --CONCEPT - | -- | -
-relationship_id - | --The relationship between CONCEPT_ID_1 and CONCEPT_ID_2. Please see the -Vocabulary -Conventions. for more information. - | -- | --varchar(20) - | --Yes - | --No - | --Yes - | --RELATIONSHIP - | -- | -
-valid_start_date - | --The date when the relationship is first recorded. - | -- | --date - | --Yes - | --No - | --No - | -- | -- | -
-valid_end_date - | --The date when the relationship is invalidated. - | -- | --date - | --Yes - | --No - | --No - | -- | -- | -
-invalid_reason - | --Reason the relationship was invalidated. Possible values are ‘D’ -(deleted), ‘U’ (updated) or NULL. - | -- | --varchar(1) - | --No - | --No - | --No - | -- | -- | -
NA
ETL Conventions
NA
--CDM Field - | --User Guide - | --ETL Conventions - | --Datatype - | --Required - | --Primary Key - | --Foreign Key - | --FK Table - | --FK Domain - | -
---|---|---|---|---|---|---|---|---|
-relationship_id - | -- | -- | --varchar(20) - | --Yes - | --Yes - | --No - | -- | -- | -
-relationship_name - | -- | -- | --varchar(255) - | --Yes - | --No - | --No - | -- | -- | -
-is_hierarchical - | -- | -- | --varchar(1) - | --Yes - | --No - | --No - | -- | -- | -
-defines_ancestry - | -- | -- | --varchar(1) - | --Yes - | --No - | --No - | -- | -- | -
-reverse_relationship_id - | -- | -- | --varchar(20) - | --Yes - | --No - | --No - | -- | -- | -
-relationship_concept_id - | -- | -- | --integer - | --Yes - | --No - | --Yes - | --CONCEPT - | -- | -
NA
ETL Conventions
NA
--CDM Field - | --User Guide - | --ETL Conventions - | --Datatype - | --Required - | --Primary Key - | --Foreign Key - | --FK Table - | --FK Domain - | -
---|---|---|---|---|---|---|---|---|
-concept_id - | -- | -- | --integer - | --Yes - | --No - | --Yes - | --CONCEPT - | -- | -
-concept_synonym_name - | -- | -- | --varchar(1000) - | --Yes - | --No - | --No - | -- | -- | -
-language_concept_id - | -- | -- | --integer - | --Yes - | --No - | --Yes - | --CONCEPT - | -- | -
NA
ETL Conventions
NA
--CDM Field - | --User Guide - | --ETL Conventions - | --Datatype - | --Required - | --Primary Key - | --Foreign Key - | --FK Table - | --FK Domain - | -
---|---|---|---|---|---|---|---|---|
-ancestor_concept_id - | --The Concept Id for the higher-level concept that forms the ancestor in -the relationship. - | -- | --integer - | --Yes - | --No - | --Yes - | --CONCEPT - | -- | -
-descendant_concept_id - | --The Concept Id for the lower-level concept that forms the descendant in -the relationship. - | -- | --integer - | --Yes - | --No - | --Yes - | --CONCEPT - | -- | -
-min_levels_of_separation - | --The minimum separation in number of levels of hierarchy between ancestor -and descendant concepts. This is an attribute that is used to simplify -hierarchic analysis. - | -- | --integer - | --Yes - | --No - | --No - | -- | -- | -
-max_levels_of_separation - | --The maximum separation in number of levels of hierarchy between ancestor -and descendant concepts. This is an attribute that is used to simplify -hierarchic analysis. - | -- | --integer - | --Yes - | --No - | --No - | -- | -- | -
NA
ETL Conventions
NA
--CDM Field - | --User Guide - | --ETL Conventions - | --Datatype - | --Required - | --Primary Key - | --Foreign Key - | --FK Table - | --FK Domain - | -
---|---|---|---|---|---|---|---|---|
-source_code - | --The source code being translated into a Standard Concept. - | -- | --varchar(50) - | --Yes - | --No - | --No - | -- | -- | -
-source_concept_id - | --A foreign key to the Source Concept that is being translated into a -Standard Concept. - | --This is either 0 or should be a number above 2 billion, which are the -Concepts reserved for site-specific codes and mappings. - | --integer - | --Yes - | --No - | --Yes - | --CONCEPT - | -- | -
-source_vocabulary_id - | --A foreign key to the VOCABULARY table defining the vocabulary of the -source code that is being translated to a Standard Concept. - | -- | --varchar(20) - | --Yes - | --No - | --No - | -- | -- | -
-source_code_description - | --An optional description for the source code. This is included as a -convenience to compare the description of the source code to the name of -the concept. - | -- | --varchar(255) - | --No - | --No - | --No - | -- | -- | -
-target_concept_id - | --The target Concept to which the source code is being mapped. - | -- | --integer - | --Yes - | --No - | --Yes - | --CONCEPT - | -- | -
-target_vocabulary_id - | --The Vocabulary of the target Concept. - | -- | --varchar(20) - | --Yes - | --No - | --Yes - | --VOCABULARY - | -- | -
-valid_start_date - | --The date when the mapping instance was first recorded. - | -- | --date - | --Yes - | --No - | --No - | -- | -- | -
-valid_end_date - | --The date when the mapping instance became invalid because it was deleted -or superseded (updated) by a new relationship. Default value is -31-Dec-2099. - | -- | --date - | --Yes - | --No - | --No - | -- | -- | -
-invalid_reason - | --Reason the mapping instance was invalidated. Possible values are D -(deleted), U (replaced with an update) or NULL when valid_end_date has -the default value. - | -- | --varchar(1) - | --No - | --No - | --No - | -- | -- | -
NA
ETL Conventions
NA
--CDM Field - | --User Guide - | --ETL Conventions - | --Datatype - | --Required - | --Primary Key - | --Foreign Key - | --FK Table - | --FK Domain - | -
---|---|---|---|---|---|---|---|---|
-drug_concept_id - | --The Concept representing the Branded Drug or Clinical Drug Product. - | -- | --integer - | --Yes - | --No - | --Yes - | --CONCEPT - | -- | -
-ingredient_concept_id - | --The Concept representing the active ingredient contained within the drug -product. - | --Combination Drugs will have more than one record in this table, one for -each active Ingredient. - | --integer - | --Yes - | --No - | --Yes - | --CONCEPT - | -- | -
-amount_value - | --The numeric value or the amount of active ingredient contained within -the drug product. - | -- | --float - | --No - | --No - | --No - | -- | -- | -
-amount_unit_concept_id - | --The Concept representing the Unit of measure for the amount of active -ingredient contained within the drug product. - | -- | --integer - | --No - | --No - | --Yes - | --CONCEPT - | -- | -
-numerator_value - | --The concentration of the active ingredient contained within the drug -product. - | -- | --float - | --No - | --No - | --No - | -- | -- | -
-numerator_unit_concept_id - | --The Concept representing the Unit of measure for the concentration of -active ingredient. - | -- | --integer - | --No - | --No - | --Yes - | --CONCEPT - | -- | -
-denominator_value - | --The amount of total liquid (or other divisible product, such as -ointment, gel, spray, etc.). - | -- | --float - | --No - | --No - | --No - | -- | -- | -
-denominator_unit_concept_id - | --The Concept representing the denominator unit for the concentration of -active ingredient. - | -- | --integer - | --No - | --No - | --Yes - | --CONCEPT - | -- | -
-box_size - | --The number of units of Clinical Branded Drug or Quantified Clinical or -Branded Drug contained in a box as dispensed to the patient. - | -- | --integer - | --No - | --No - | --No - | -- | -- | -
-valid_start_date - | --The date when the Concept was first recorded. The default value is -1-Jan-1970. - | -- | --date - | --Yes - | --No - | --No - | -- | -- | -
-valid_end_date - | --The date when then Concept became invalid. - | -- | --date - | --Yes - | --No - | --No - | -- | -- | -
-invalid_reason - | --Reason the concept was invalidated. Possible values are D (deleted), U -(replaced with an update) or NULL when valid_end_date has the default -value. - | -- | --varchar(1) - | --No - | --No - | --No - | -- | -- | -
-CDM Field - | --User Guide - | --ETL Conventions - | --Datatype - | --Required - | --Primary Key - | --Foreign Key - | --FK Table - | --FK Domain - | -
---|---|---|---|---|---|---|---|---|
-cohort_definition_id - | -- | -- | --integer - | --Yes - | --No - | --No - | -- | -- | -
-subject_id - | -- | -- | --integer - | --Yes - | --No - | --No - | -- | -- | -
-cohort_start_date - | -- | -- | --date - | --Yes - | --No - | --No - | -- | -- | -
-cohort_end_date - | -- | -- | --date - | --Yes - | --No - | --No - | -- | -- | -
NA
ETL Conventions
NA
--CDM Field - | --User Guide - | --ETL Conventions - | --Datatype - | --Required - | --Primary Key - | --Foreign Key - | --FK Table - | --FK Domain - | -
---|---|---|---|---|---|---|---|---|
-cohort_definition_id - | --This is the identifier given to the cohort, usually by the ATLAS -application - | -- | --integer - | --Yes - | --No - | --Yes - | --COHORT - | -- | -
-cohort_definition_name - | --A short description of the cohort - | -- | --varchar(255) - | --Yes - | --No - | --No - | -- | -- | -
-cohort_definition_description - | --A complete description of the cohort. - | -- | --varchar(MAX) - | --No - | --No - | --No - | -- | -- | -
-definition_type_concept_id - | --Type defining what kind of Cohort Definition the record represents and -how the syntax may be executed. - | -- | --integer - | --Yes - | --No - | --Yes - | --CONCEPT - | -- | -
-cohort_definition_syntax - | --Syntax or code to operationalize the Cohort Definition. - | -- | --varchar(MAX) - | --No - | --No - | --No - | -- | -- | -
-subject_concept_id - | --This field contains a Concept that represents the domain of the subjects -that are members of the cohort (e.g., Person, Provider, Visit). - | -- | --integer - | --Yes - | --No - | --Yes - | --CONCEPT - | -- | -
-cohort_initiation_date - | --A date to indicate when the Cohort was initiated in the COHORT table. - | -- | --date - | --No - | --No - | --No - | -- | -- | -