OMOP/OMOP_CDM_v5_3_1.csv

1		field	required	type	description	table	schema
2	1	condition_occurrence_id	Yes	INTEGER	A unique identifier for each Condition Occurrence event.	condition_occurrence	cdm
3	2	person_id	Yes	INTEGER	A foreign key identifier to the Person who is experiencing the condition. The demographic details of that Person are stored in the PERSON table.	condition_occurrence	cdm
4	3	condition_concept_id	Yes	INTEGER	A foreign key that refers to a Standard Condition Concept identifier in the Standardized Vocabularies.	condition_occurrence	cdm
5	4	condition_start_date	Yes	DATE	The date when the instance of the Condition is recorded.	condition_occurrence	cdm
6	5	condition_start_datetime	No	DATETIME	The date and time when the instance of the Condition is recorded.	condition_occurrence	cdm
7	6	condition_end_date	No	DATE	The date when the instance of the Condition is considered to have ended.	condition_occurrence	cdm
8	7	condition_end_datetime	No	DATE	The date when the instance of the Condition is considered to have ended.	condition_occurrence	cdm
9	8	condition_type_concept_id	Yes	INTEGER	A foreign key to the predefined Concept identifier in the Standardized Vocabularies reflecting the source data from which the condition was recorded, the level of standardization, and the type of occurrence.	condition_occurrence	cdm
10	9	stop_reason	No	VARCHAR(20)	The reason that the condition was no longer present, as indicated in the source data.	condition_occurrence	cdm
11	10	provider_id	No	INTEGER	A foreign key to the Provider in the PROVIDER table who was responsible for capturing (diagnosing) the Condition.	condition_occurrence	cdm
12	11	visit_occurrence_id	No	INTEGER	A foreign key to the visit in the VISIT_OCCURRENCE table during which the Condition was determined (diagnosed).	condition_occurrence	cdm
13	12	visit_detail_id	No	INTEGER	A foreign key to the visit in the VISIT_DETAIL table during which the Condition was determined (diagnosed).	condition_occurrence	cdm
14	13	condition_source_value	No	VARCHAR(50)	The source code for the condition as it appears in the source data. This code is mapped to a standard condition concept in the Standardized Vocabularies and the original code is stored here for reference.	condition_occurrence	cdm
15	14	condition_source_concept_id	No	INTEGER	A foreign key to a Condition Concept that refers to the code used in the source.	condition_occurrence	cdm
16	15	condition_status_source_value	No	VARCHAR(50)	The source code for the condition status as it appears in the source data.	condition_occurrence	cdm
17	16	condition_status_concept_id	No	INTEGER	A foreign key to the predefined Concept in the Standard Vocabulary reflecting the condition status	condition_occurrence	cdm
18	17	person_id	Yes	INTEGER	A foreign key identifier to the deceased person. The demographic details of that person are stored in the person table.	death	cdm
19	18	death_date	Yes	DATE	The date the person was deceased. If the precise date including day or month is not known or not allowed, December is used as the default month, and the last day of the month the default day.	death	cdm
20	19	death_datetime	No	DATETIME	The date and time the person was deceased. If the precise date including day or month is not known or not allowed, December is used as the default month, and the last day of the month the default day.	death	cdm
21	20	death_type_concept_id	Yes	INTEGER	A foreign key referring to the predefined concept identifier in the Standardized Vocabularies reflecting how the death was represented in the source data.	death	cdm
22	21	cause_concept_id	No	INTEGER	A foreign key referring to a standard concept identifier in the Standardized Vocabularies for conditions.	death	cdm
23	22	cause_source_value	No	VARCHAR(50)	The source code for the cause of death as it appears in the source data. This code is mapped to a standard concept in the Standardized Vocabularies and the original code is, stored here for reference.	death	cdm
24	23	cause_source_concept_id	No	INTEGER	A foreign key to the concept that refers to the code used in the source. Note, this variable name is abbreviated to ensure it will be allowable across database platforms.	death	cdm
25	24	device_exposure_id	Yes	INTEGER	A system-generated unique identifier for each Device Exposure.	device_exposure	cdm
26	25	person_id	Yes	INTEGER	A foreign key identifier to the Person who is subjected to the Device. The demographic details of that person are stored in the Person table.	device_exposure	cdm
27	26	device_concept_id	Yes	INTEGER	A foreign key that refers to a Standard Concept identifier in the Standardized Vocabularies for the Device concept.	device_exposure	cdm
28	27	device_exposure_start_date	Yes	DATE	The date the Device or supply was applied or used.	device_exposure	cdm
29	28	device_exposure_start_datetime	No	DATETIME	The date and time the Device or supply was applied or used.	device_exposure	cdm
30	29	device_exposure_end_date	No	DATE	The date the Device or supply was removed from use.	device_exposure	cdm
31	30	device_exposure_end_datetime	No	DATETIME	The date and time the Device or supply was removed from use.	device_exposure	cdm
32	31	device_type_concept_id	Yes	INTEGER	A foreign key to the predefined Concept identifier in the Standardized Vocabularies reflecting the type of Device Exposure recorded. It indicates how the Device Exposure was represented in the source data.	device_exposure	cdm
33	32	unique_device_id	No	VARCHAR(50)	A UDI or equivalent identifying the instance of the Device used in the Person.	device_exposure	cdm
34	33	quantity	No	INTEGER	The number of individual Devices used for the exposure.	device_exposure	cdm
35	34	provider_id	No	INTEGER	A foreign key to the provider in the PROVIDER table who initiated of administered the Device.	device_exposure	cdm
36	35	visit_occurrence_id	No	INTEGER	A foreign key to the visit in the VISIT_OCCURRENCE table during which the device was used.	device_exposure	cdm
37	36	visit_detail_id	No	INTEGER	A foreign key to the visit detail in the VISIT_DETAIL table during which the Drug Exposure was initiated.	device_exposure	cdm
38	37	device_source_value	No	VARCHAR(50)	The source code for the Device as it appears in the source data. This code is mapped to a standard Device Concept in the Standardized Vocabularies and the original code is stored here for reference.	device_exposure	cdm
39	38	device_source_concept_id	No	INTEGER	A foreign key to a Device Concept that refers to the code used in the source.	device_exposure	cdm
40	39	drug_exposure_id	Yes	INTEGER	A system-generated unique identifier for each Drug utilization event.	drug_exposure	cdm
41	40	person_id	Yes	INTEGER	A foreign key identifier to the person who is subjected to the Drug. The demographic details of that person are stored in the person table.	drug_exposure	cdm
42	41	drug_concept_id	Yes	INTEGER	A foreign key that refers to a Standard Concept identifier in the Standardized Vocabularies for the Drug concept.	drug_exposure	cdm
43	42	drug_exposure_start_date	Yes	DATE	The start date for the current instance of Drug utilization. Valid entries include a start date of a prescription, the date a prescription was filled, or the date on which a Drug administration procedure was recorded.	drug_exposure	cdm
44	43	drug_exposure_start_datetime	No	DATETIME	The start date and time for the current instance of Drug utilization. Valid entries include a start date of a prescription, the date a prescription was filled, or the date on which a Drug administration procedure was recorded.	drug_exposure	cdm
45	44	drug_exposure_end_date	Yes	DATE	The end date for the current instance of Drug utilization. It is not available from all sources.	drug_exposure	cdm
46	45	drug_exposure_end_datetime	No	DATETIME	The end date and time for the current instance of Drug utilization. It is not available from all sources.	drug_exposure	cdm
47	46	verbatim_end_date	No	DATE	The known end date of a drug_exposure as provided by the source	drug_exposure	cdm
48	47	drug_type_concept_id	Yes	INTEGER	A foreign key to the predefined Concept identifier in the Standardized Vocabularies reflecting the type of Drug Exposure recorded. It indicates how the Drug Exposure was represented in the source data.	drug_exposure	cdm
49	48	stop_reason	No	VARCHAR(20)	The reason the Drug was stopped. Reasons include regimen completed, changed, removed, etc.	drug_exposure	cdm
50	49	refills	No	INTEGER	The number of refills after the initial prescription. The initial prescription is not counted, values start with 0.	drug_exposure	cdm
51	50	quantity	No	FLOAT	The quantity of drug as recorded in the original prescription or dispensing record.	drug_exposure	cdm
52	51	days_supply	No	INTEGER	The number of days of supply of the medication as recorded in the original prescription or dispensing record.	drug_exposure	cdm
53	52	sig	No	VARCHAR(MAX)	The directions ("signetur") on the Drug prescription as recorded in the original prescription (and printed on the container) or dispensing record.	drug_exposure	cdm
54	53	route_concept_id	No	INTEGER	A foreign key to a predefined concept in the Standardized Vocabularies reflecting the route of administration.	drug_exposure	cdm
55	54	lot_number	No	VARCHAR(50)	An identifier assigned to a particular quantity or lot of Drug product from the manufacturer.	drug_exposure	cdm
56	55	provider_id	No	INTEGER	A foreign key to the provider in the PROVIDER table who initiated (prescribed or administered) the Drug Exposure.	drug_exposure	cdm
57	56	visit_occurrence_id	No	INTEGER	A foreign key to the Visit in the VISIT_OCCURRENCE table during which the Drug Exposure was initiated.	drug_exposure	cdm
58	57	visit_detail_id	No	INTEGER	A foreign key to the Visit Detail in the VISIT_DETAIL table during which the Drug Exposure was initiated.	drug_exposure	cdm
59	58	drug_source_value	No	VARCHAR(50)	The source code for the Drug as it appears in the source data. This code is mapped to a Standard Drug concept in the Standardized Vocabularies and the original code is, stored here for reference.	drug_exposure	cdm
60	59	drug_source_concept_id	No	INTEGER	A foreign key to a Drug Concept that refers to the code used in the source.	drug_exposure	cdm
61	60	route_source_value	No	VARCHAR(50)	The information about the route of administration as detailed in the source.	drug_exposure	cdm
62	61	dose_unit_source_value	No	VARCHAR(50)	The information about the dose unit as detailed in the source.	drug_exposure	cdm
63	62	domain_concept_id_1	Yes	INTEGER	The concept representing the domain of fact one, from which the corresponding table can be inferred.	fact_relationship	cdm
64	63	fact_id_1	Yes	INTEGER	The unique identifier in the table corresponding to the domain of fact one.	fact_relationship	cdm
65	64	domain_concept_id_2	Yes	INTEGER	The concept representing the domain of fact two, from which the corresponding table can be inferred.	fact_relationship	cdm
66	65	fact_id_2	Yes	INTEGER	The unique identifier in the table corresponding to the domain of fact two.	fact_relationship	cdm
67	66	relationship_concept_id	Yes	INTEGER	A foreign key to a Standard Concept ID of relationship in the Standardized Vocabularies.	fact_relationship	cdm
68	67	measurement_id	Yes	INTEGER	A unique identifier for each Measurement.	measurement	cdm
69	68	person_id	Yes	INTEGER	A foreign key identifier to the Person about whom the measurement was recorded. The demographic details of that Person are stored in the PERSON table.	measurement	cdm
70	69	measurement_concept_id	Yes	INTEGER	A foreign key to the standard measurement concept identifier in the Standardized Vocabularies.	measurement	cdm
71	70	measurement_date	Yes	DATE	The date of the Measurement.	measurement	cdm
72	71	measurement_datetime	No	DATETIME	The date and time of the Measurement. Some database systems don't have a datatype of time. To accomodate all temporal analyses, datatype datetime can be used (combining measurement_date and measurement_time [forum discussion](http://forums.ohdsi.org/t/date-time-and-datetime-problem-and-the-world-of-hours-and-1day/314))	measurement	cdm
73	72	measurement_time	No	VARCHAR(10)	The time of the Measurement. This is present for backwards compatibility and will deprecated in an upcoming version	measurement	cdm
74	73	measurement_type_concept_id	Yes	INTEGER	A foreign key to the predefined Concept in the Standardized Vocabularies reflecting the provenance from where the Measurement record was recorded.	measurement	cdm
75	74	operator_concept_id	No	INTEGER	A foreign key identifier to the predefined Concept in the Standardized Vocabularies reflecting the mathematical operator that is applied to the value_as_number. Operators are <, <=, =, >=, >.	measurement	cdm
76	75	value_as_number	No	FLOAT	A Measurement result where the result is expressed as a numeric value.	measurement	cdm
77	76	value_as_concept_id	No	INTEGER	A foreign key to a Measurement result represented as a Concept from the Standardized Vocabularies (e.g., positive/negative, present/absent, low/high, etc.).	measurement	cdm
78	77	unit_concept_id	No	INTEGER	A foreign key to a Standard Concept ID of Measurement Units in the Standardized Vocabularies.	measurement	cdm
79	78	range_low	No	FLOAT	The lower limit of the normal range of the Measurement result. The lower range is assumed to be of the same unit of measure as the Measurement value.	measurement	cdm
80	79	range_high	No	FLOAT	The upper limit of the normal range of the Measurement. The upper range is assumed to be of the same unit of measure as the Measurement value.	measurement	cdm
81	80	provider_id	No	INTEGER	A foreign key to the provider in the PROVIDER table who was responsible for initiating or obtaining the measurement.	measurement	cdm
82	81	visit_occurrence_id	No	INTEGER	A foreign key to the Visit in the VISIT_OCCURRENCE table during which the Measurement was recorded.	measurement	cdm
83	82	visit_detail_id	No	INTEGER	A foreign key to the Visit Detail in the VISIT_DETAIL table during which the Measurement was recorded.	measurement	cdm
84	83	measurement_source_value	No	VARCHAR(50)	The Measurement name as it appears in the source data. This code is mapped to a Standard Concept in the Standardized Vocabularies and the original code is stored here for reference.	measurement	cdm
85	84	measurement_source_concept_id	No	INTEGER	A foreign key to a Concept in the Standard Vocabularies that refers to the code used in the source.	measurement	cdm
86	85	unit_source_value	No	VARCHAR(50)	The source code for the unit as it appears in the source data. This code is mapped to a standard unit concept in the Standardized Vocabularies and the original code is stored here for reference.	measurement	cdm
87	86	value_source_value	No	VARCHAR(50)	The source value associated with the content of the value_as_number or value_as_concept_id as stored in the source data.	measurement	cdm
88	87	note_id	Yes	INTEGER	A unique identifier for each note.	note	cdm
89	88	person_id	Yes	INTEGER	A foreign key identifier to the Person about whom the Note was recorded. The demographic details of that Person are stored in the PERSON table.	note	cdm
90	89	note_date	Yes	DATE	The date the note was recorded.	note	cdm
91	90	note_datetime	No	DATETIME	The date and time the note was recorded.	note	cdm
92	91	note_type_concept_id	Yes	INTEGER	A foreign key to the predefined Concept in the Standardized Vocabularies reflecting the type, origin or provenance of the Note.	note	cdm
93	92	note_class_concept_id	Yes	INTEGER	A foreign key to the predefined Concept in the Standardized Vocabularies reflecting the HL7 LOINC Document Type Vocabulary classification of the note.	note	cdm
94	93	note_title	No	VARCHAR(250)	The title of the Note as it appears in the source.	note	cdm
95	94	note_text	Yes	VARCHAR(MAX)	The content of the Note.	note	cdm
96	95	encoding_concept_id	Yes	INTEGER	A foreign key to the predefined Concept in the Standardized Vocabularies reflecting the note character encoding type	note	cdm
97	96	language_concept_id	Yes	INTEGER	A foreign key to the predefined Concept in the Standardized Vocabularies reflecting the language of the note	note	cdm
98	97	provider_id	No	INTEGER	A foreign key to the Provider in the PROVIDER table who took the Note.	note	cdm
99	98	visit_occurrence_id	No	INTEGER	A foreign key to the Visit in the VISIT_OCCURRENCE table when the Note was taken.	note	cdm
100	99	visit_detail_id	No	INTEGER	A foreign key to the Visit in the VISIT_DETAIL table when the Note was taken.	note	cdm
101	100	note_source_value	No	VARCHAR(50)	The source value associated with the origin of the Note	note	cdm
102	101	note_nlp_id	Yes	INTEGER	A unique identifier for each term extracted from a Note.	note_nlp	cdm
103	102	note_id	Yes	INTEGER	A foreign key to the note table note the term was extracted from.	note_nlp	cdm
104	103	section_concept_id	No	INTEGER	A foreign key to the predefined concept in the standardized vocabularies representing the section of the extracted term.	note_nlp	cdm
105	104	snippet	No	VARCHAR(250)	A small window of text surrounding the term.	note_nlp	cdm
106	105	offset	No	VARCHAR(50)	Character offset of the extracted term in the input note.	note_nlp	cdm
107	106	lexical_variant	Yes	VARCHAR(250)	Raw text extracted from the NLP tool.	note_nlp	cdm
108	107	note_nlp_concept_id	No	INTEGER	A foreign key to the predefined concept in the standardized vocabularies reflecting the normalized concept for the extracted term. Domain of the term is represented as part of the concept table.	note_nlp	cdm
109	108	note_nlp_source_concept_id	No	INTEGER	A foreign key to a concept that refers to the code in the source vocabulary used by the NLP system	note_nlp	cdm
110	109	nlp_system	No	VARCHAR(250)	Name and version of the NLP system that extracted the term.useful for data provenance.	note_nlp	cdm
111	110	nlp_date	Yes	DATE	The date of the note processing.useful for data provenance.	note_nlp	cdm
112	111	nlp_datetime	No	DATETIME	The date and time of the note processing. Useful for data provenance.	note_nlp	cdm
113	112	term_exists	No	VARCHAR(1)	A summary modifier that signifies presence or absence of the term for a given patient. Useful for quick querying.	note_nlp	cdm
114	113	term_temporal	No	VARCHAR(50)	An optional time modifier associated with the extracted term. (For now “past” or “present” only). Standardize it later.	note_nlp	cdm
115	114	term_modifiers	No	VARCHAR(2000)	A compact description of all the modifiers of the specific term extracted by the NLP system. (e.g. “son has rash” ? “negated=no,subject=family, certainty=undef,conditional=false,general=false”).	note_nlp	cdm
116	115	observation_id	Yes	INTEGER	A unique identifier for each observation.	observation	cdm
117	116	person_id	Yes	INTEGER	A foreign key identifier to the Person about whom the observation was recorded. The demographic details of that Person are stored in the PERSON table.	observation	cdm
118	117	observation_concept_id	Yes	INTEGER	A foreign key to the standard observation concept identifier in the Standardized Vocabularies.	observation	cdm
119	118	observation_date	Yes	DATE	The date of the observation.	observation	cdm
120	119	observation_datetime	No	DATETIME	The date and time of the observation.	observation	cdm
121	120	observation_type_concept_id	Yes	INTEGER	A foreign key to the predefined concept identifier in the Standardized Vocabularies reflecting the type of the observation.	observation	cdm
122	121	value_as_number	No	FLOAT	The observation result stored as a number. This is applicable to observations where the result is expressed as a numeric value.	observation	cdm
123	122	value_as_string	No	VARCHAR(60)	The observation result stored as a string. This is applicable to observations where the result is expressed as verbatim text.	observation	cdm
124	123	value_as_concept_id	No	INTEGER	A foreign key to an observation result stored as a Concept ID. This is applicable to observations where the result can be expressed as a Standard Concept from the Standardized Vocabularies (e.g., positive/negative, present/absent, low/high, etc.).	observation	cdm
125	124	qualifier_concept_id	No	INTEGER	A foreign key to a Standard Concept ID for a qualifier (e.g., severity of drug-drug interaction alert)	observation	cdm
126	125	unit_concept_id	No	INTEGER	A foreign key to a Standard Concept ID of measurement units in the Standardized Vocabularies.	observation	cdm
127	126	provider_id	No	INTEGER	A foreign key to the provider in the PROVIDER table who was responsible for making the observation.	observation	cdm
128	127	visit_occurrence_id	No	INTEGER	A foreign key to the visit in the VISIT_OCCURRENCE table during which the observation was recorded.	observation	cdm
129	128	visit_detail_id	No	INTEGER	A foreign key to the visit in the VISIT_DETAIL table during which the observation was recorded.	observation	cdm
130	129	observation_source_value	No	VARCHAR(50)	The observation code as it appears in the source data. This code is mapped to a Standard Concept in the Standardized Vocabularies and the original code is, stored here for reference.	observation	cdm
131	130	observation_source_concept_id	No	INTEGER	A foreign key to a Concept that refers to the code used in the source.	observation	cdm
132	131	unit_source_value	No	VARCHAR(50)	The source code for the unit as it appears in the source data. This code is mapped to a standard unit concept in the Standardized Vocabularies and the original code is, stored here for reference.	observation	cdm
133	132	qualifier_source_value	No	VARCHAR(50)	The source value associated with a qualifier to characterize the observation	observation	cdm
134	133	observation_period_id	Yes	INTEGER	A unique identifier for each observation period.	observation_period	cdm
135	134	person_id	Yes	INTEGER	A foreign key identifier to the person for whom the observation period is defined. The demographic details of that person are stored in the person table.	observation_period	cdm
136	135	observation_period_start_date	Yes	DATE	The start date of the observation period for which data are available from the data source.	observation_period	cdm
137	136	observation_period_end_date	Yes	DATE	The end date of the observation period for which data are available from the data source.	observation_period	cdm
138	137	period_type_concept_id	Yes	INTEGER	A foreign key identifier to the predefined concept in the Standardized Vocabularies reflecting the source of the observation period information	observation_period	cdm
139	138	person_id	Yes	INTEGER	A unique identifier for each person.	person	cdm
140	139	gender_concept_id	Yes	INTEGER	A foreign key that refers to an identifier in the CONCEPT table for the unique gender of the person.	person	cdm
141	140	year_of_birth	Yes	INTEGER	The year of birth of the person. For data sources with date of birth, the year is extracted. For data sources where the year of birth is not available, the approximate year of birth is derived based on any age group categorization available.	person	cdm
142	141	month_of_birth	No	INTEGER	The month of birth of the person. For data sources that provide the precise date of birth, the month is extracted and stored in this field.	person	cdm
143	142	day_of_birth	No	INTEGER	The day of the month of birth of the person. For data sources that provide the precise date of birth, the day is extracted and stored in this field.	person	cdm
144	143	birth_datetime	No	DATETIME	The date and time of birth of the person.	person	cdm
145	144	race_concept_id	Yes	INTEGER	A foreign key that refers to an identifier in the CONCEPT table for the unique race of the person.	person	cdm
146	145	ethnicity_concept_id	Yes	INTEGER	A foreign key that refers to the standard concept identifier in the Standardized Vocabularies for the ethnicity of the person.	person	cdm
147	146	location_id	No	INTEGER	A foreign key to the place of residency for the person in the location table, where the detailed address information is stored.	person	cdm
148	147	provider_id	No	INTEGER	A foreign key to the primary care provider the person is seeing in the provider table.	person	cdm
149	148	care_site_id	No	INTEGER	A foreign key to the site of primary care in the care_site table, where the details of the care site are stored.	person	cdm
150	149	person_source_value	No	VARCHAR(50)	An (encrypted) key derived from the person identifier in the source data. This is necessary when a use case requires a link back to the person data at the source dataset.	person	cdm
151	150	gender_source_value	No	VARCHAR(50)	The source code for the gender of the person as it appears in the source data. The person’s gender is mapped to a standard gender concept in the Standardized Vocabularies; the original value is stored here for reference.	person	cdm
152	151	gender_source_concept_id	No	INTEGER	A foreign key to the gender concept that refers to the code used in the source.	person	cdm
153	152	race_source_value	No	VARCHAR(50)	The source code for the race of the person as it appears in the source data. The person race is mapped to a standard race concept in the Standardized Vocabularies and the original value is stored here for reference.	person	cdm
154	153	race_source_concept_id	No	INTEGER	A foreign key to the race concept that refers to the code used in the source.	person	cdm
155	154	ethnicity_source_value	No	VARCHAR(50)	The source code for the ethnicity of the person as it appears in the source data. The person ethnicity is mapped to a standard ethnicity concept in the Standardized Vocabularies and the original code is, stored here for reference.	person	cdm
156	155	ethnicity_source_concept_id	No	INTEGER	A foreign key to the ethnicity concept that refers to the code used in the source.	person	cdm
157	156	procedure_occurrence_id	Yes	INTEGER	A system-generated unique identifier for each Procedure Occurrence.	procedure_occurrence	cdm
158	157	person_id	Yes	INTEGER	A foreign key identifier to the Person who is subjected to the Procedure. The demographic details of that Person are stored in the PERSON table.	procedure_occurrence	cdm
159	158	procedure_concept_id	Yes	INTEGER	A foreign key that refers to a standard procedure Concept identifier in the Standardized Vocabularies.	procedure_occurrence	cdm
160	159	procedure_date	Yes	DATE	The date on which the Procedure was performed.	procedure_occurrence	cdm
161	160	procedure_datetime	No	DATETIME	The date and time on which the Procedure was performed.	procedure_occurrence	cdm
162	161	procedure_type_concept_id	Yes	INTEGER	A foreign key to the predefined Concept identifier in the Standardized Vocabularies reflecting the type of source data from which the procedure record is derived.	procedure_occurrence	cdm
163	162	modifier_concept_id	No	INTEGER	A foreign key to a Standard Concept identifier for a modifier to the Procedure (e.g. bilateral)	procedure_occurrence	cdm
164	163	quantity	No	INTEGER	The quantity of procedures ordered or administered.	procedure_occurrence	cdm
165	164	provider_id	No	INTEGER	A foreign key to the provider in the PROVIDER table who was responsible for carrying out the procedure.	procedure_occurrence	cdm
166	165	visit_occurrence_id	No	INTEGER	A foreign key to the Visit in the VISIT_OCCURRENCE table during which the Procedure was carried out.	procedure_occurrence	cdm
167	166	visit_detail_id	No	INTEGER	A foreign key to the Visit Detail in the VISIT_DETAIL table during which the Procedure was carried out.	procedure_occurrence	cdm
168	167	procedure_source_value	No	VARCHAR(50)	The source code for the Procedure as it appears in the source data. This code is mapped to a standard procedure Concept in the Standardized Vocabularies and the original code is, stored here for reference. Procedure source codes are typically ICD-9-Proc, CPT-4, HCPCS or OPCS-4 codes.	procedure_occurrence	cdm
169	168	procedure_source_concept_id	No	INTEGER	A foreign key to a Procedure Concept that refers to the code used in the source.	procedure_occurrence	cdm
170	169	modifier_source_value	No	VARCHAR(50)	The source code for the qualifier as it appears in the source data.	procedure_occurrence	cdm
171	170	specimen_id	Yes	INTEGER	A unique identifier for each specimen.	specimen	cdm
172	171	person_id	Yes	INTEGER	A foreign key identifier to the Person for whom the Specimen is recorded.	specimen	cdm
173	172	specimen_concept_id	Yes	INTEGER	A foreign key referring to a Standard Concept identifier in the Standardized Vocabularies for the Specimen.	specimen	cdm
174	173	specimen_type_concept_id	Yes	INTEGER	A foreign key referring to the Concept identifier in the Standardized Vocabularies reflecting the system of record from which the Specimen was represented in the source data.	specimen	cdm
175	174	specimen_date	Yes	DATE	The date the specimen was obtained from the Person.	specimen	cdm
176	175	specimen_datetime	No	DATETIME	The date and time on the date when the Specimen was obtained from the person.	specimen	cdm
177	176	quantity	No	FLOAT	The amount of specimen collection from the person during the sampling procedure.	specimen	cdm
178	177	unit_concept_id	No	INTEGER	A foreign key to a Standard Concept identifier for the Unit associated with the numeric quantity of the Specimen collection.	specimen	cdm
179	178	anatomic_site_concept_id	No	INTEGER	A foreign key to a Standard Concept identifier for the anatomic location of specimen collection.	specimen	cdm
180	179	disease_status_concept_id	No	INTEGER	A foreign key to a Standard Concept identifier for the Disease Status of specimen collection.	specimen	cdm
181	180	specimen_source_id	No	VARCHAR(50)	The Specimen identifier as it appears in the source data.	specimen	cdm
182	181	specimen_source_value	No	VARCHAR(50)	The Specimen value as it appears in the source data. This value is mapped to a Standard Concept in the Standardized Vocabularies and the original code is, stored here for reference.	specimen	cdm
183	182	unit_source_value	No	VARCHAR(50)	The information about the Unit as detailed in the source.	specimen	cdm
184	183	anatomic_site_source_value	No	VARCHAR(50)	The information about the anatomic site as detailed in the source.	specimen	cdm
185	184	disease_status_source_value	No	VARCHAR(50)	The information about the disease status as detailed in the source.	specimen	cdm
186	185	visit_detail_id	Yes	INTEGER	A unique identifier for each Person's visit or encounter at a healthcare provider.	visit_detail	cdm
187	186	person_id	Yes	INTEGER	A foreign key identifier to the Person for whom the visit is recorded. The demographic details of that Person are stored in the PERSON table.	visit_detail	cdm
188	187	visit_concept_id	Yes	INTEGER	A foreign key that refers to a visit Concept identifier in the Standardized Vocabularies.	visit_detail	cdm
189	188	visit_start_date	Yes	DATE	The start date of the visit.	visit_detail	cdm
190	189	visit_start_datetime	No	DATETIME	The date and time of the visit started.	visit_detail	cdm
191	190	visit_end_date	Yes	DATE	The end date of the visit. If this is a one-day visit the end date should match the start date.	visit_detail	cdm
192	191	visit_end_datetime	No	DATETIME	The date and time of the visit end.	visit_detail	cdm
193	192	visit_type_concept_id	Yes	INTEGER	A foreign key to the predefined Concept identifier in the Standardized Vocabularies reflecting the type of source data from which the visit record is derived.	visit_detail	cdm
194	193	provider_id	No	INTEGER	A foreign key to the provider in the provider table who was associated with the visit.	visit_detail	cdm
195	194	care_site_id	No	INTEGER	A foreign key to the care site in the care site table that was visited.	visit_detail	cdm
196	195	visit_source_value	No	STRING(50)	The source code for the visit as it appears in the source data.	visit_detail	cdm
197	196	visit_source_concept_id	No	INTEGER	A foreign key to a Concept that refers to the code used in the source.	visit_detail	cdm
198	197	admitting_source_value	No	VARCHAR(50)	The source code for the admitting source as it appears in the source data.	visit_detail	cdm
199	198	admitting_source_concept_id	No	INTEGER	A foreign key to the predefined concept in the Place of Service Vocabulary reflecting the admitting source for a visit.	visit_detail	cdm
200	199	discharge_to_source_value	No	VARCHAR(50)	The source code for the discharge disposition as it appears in the source data.	visit_detail	cdm
201	200	discharge_to_concept_id	No	INTEGER	A foreign key to the predefined concept in the Place of Service Vocabulary reflecting the discharge disposition for a visit.	visit_detail	cdm
202	201	preceding_visit_detail_id	No	INTEGER	A foreign key to the VISIT_DETAIL table of the visit immediately preceding this visit	visit_detail	cdm
203	202	visit_detail_parent_id	No	INTEGER	A foreign key to the VISIT_DETAIL table record to represent the immediate parent visit-detail record.	visit_detail	cdm
204	203	visit_occurrence_id	Yes	INTEGER	A foreign key that refers to the record in the VISIT_OCCURRENCE table. This is a required field, because for every visit_detail is a child of visit_occurrence and cannot exist without a corresponding parent record in visit_occurrence.	visit_detail	cdm
205	204	visit_occurrence_id	Yes	INTEGER	A unique identifier for each Person's visit or encounter at a healthcare provider.	visit_occurrence	cdm
206	205	person_id	Yes	INTEGER	A foreign key identifier to the Person for whom the visit is recorded. The demographic details of that Person are stored in the PERSON table.	visit_occurrence	cdm
207	206	visit_concept_id	Yes	INTEGER	A foreign key that refers to a visit Concept identifier in the Standardized Vocabularies.	visit_occurrence	cdm
208	207	visit_start_date	Yes	DATE	The start date of the visit.	visit_occurrence	cdm
209	208	visit_start_datetime	No	DATETIME	The date and time of the visit started.	visit_occurrence	cdm
210	209	visit_end_date	Yes	DATE	The end date of the visit. If this is a one-day visit the end date should match the start date.	visit_occurrence	cdm
211	210	visit_end_datetime	No	DATETIME	The date and time of the visit end.	visit_occurrence	cdm
212	211	visit_type_concept_id	Yes	INTEGER	A foreign key to the predefined Concept identifier in the Standardized Vocabularies reflecting the type of source data from which the visit record is derived.	visit_occurrence	cdm
213	212	provider_id	No	INTEGER	A foreign key to the provider in the provider table who was associated with the visit.	visit_occurrence	cdm
214	213	care_site_id	No	INTEGER	A foreign key to the care site in the care site table that was visited.	visit_occurrence	cdm
215	214	visit_source_value	No	VARCHAR(50)	The source code for the visit as it appears in the source data.	visit_occurrence	cdm
216	215	visit_source_concept_id	No	INTEGER	A foreign key to a Concept that refers to the code used in the source.	visit_occurrence	cdm
217	216	admitting_source_concept_id	No	INTEGER	A foreign key to the predefined concept in the Place of Service Vocabulary reflecting the admitting source for a visit.	visit_occurrence	cdm
218	217	admitting_source_value	No	VARCHAR(50)	The source code for the admitting source as it appears in the source data.	visit_occurrence	cdm
219	218	discharge_to_concept_id	No	INTEGER	A foreign key to the predefined concept in the Place of Service Vocabulary reflecting the discharge disposition for a visit.	visit_occurrence	cdm
220	219	discharge_to_source_value	No	VARCHAR(50)	The source code for the discharge disposition as it appears in the source data.	visit_occurrence	cdm
221	220	preceding_visit_occurrence_id	No	INTEGER	A foreign key to the VISIT_OCCURRENCE table of the visit immediately preceding this visit	visit_occurrence	cdm
222	221	cohort_definition_id	Yes	INTEGER	A foreign key to a record in the COHORT_DEFINITION table containing relevant Cohort Definition information.	cohort	results
223	222	subject_id	Yes	INTEGER	A foreign key to the subject in the cohort. These could be referring to records in the PERSON, PROVIDER, VISIT_OCCURRENCE table.	cohort	results
224	223	cohort_start_date	Yes	DATE	The date when the Cohort Definition criteria for the Person, Provider or Visit first match.	cohort	results
225	224	cohort_end_date	Yes	DATE	The date when the Cohort Definition criteria for the Person, Provider or Visit no longer match or the Cohort membership was terminated.	cohort	results
226	225	cohort_definition_id	Yes	INTEGER	A foreign key to a record in the [COHORT_DEFINITION](https://github.com/OHDSI/CommonDataModel/wiki/COHORT_DEFINITION) table containing relevant Cohort Definition information.	cohort_attribute	results
227	226	subject_id	Yes	INTEGER	A foreign key to the subject in the Cohort. These could be referring to records in the PERSON, PROVIDER, VISIT_OCCURRENCE table.	cohort_attribute	results
228	227	cohort_start_date	Yes	DATE	The date when the Cohort Definition criteria for the Person, Provider or Visit first match.	cohort_attribute	results
229	228	cohort_end_date	Yes	DATE	The date when the Cohort Definition criteria for the Person, Provider or Visit no longer match or the Cohort membership was terminated.	cohort_attribute	results
230	229	attribute_definition_id	Yes	INTEGER	A foreign key to a record in the [ATTRIBUTE_DEFINITION](https://github.com/OHDSI/CommonDataModel/wiki/ATTRIBUTE_DEFINITION) table containing relevant Attribute Definition information.	cohort_attribute	results
231	230	value_as_number	No	FLOAT	The attribute result stored as a number. This is applicable to attributes where the result is expressed as a numeric value.	cohort_attribute	results
232	231	value_as_concept_id	No	INTEGER	The attribute result stored as a Concept ID. This is applicable to attributes where the result is expressed as a categorical value.	cohort_attribute	results
233	232	condition_era_id	Yes	INTEGER	A unique identifier for each Condition Era.	condition_era	cdm
234	233	person_id	Yes	INTEGER	A foreign key identifier to the Person who is experiencing the Condition during the Condition Era. The demographic details of that Person are stored in the PERSON table.	condition_era	cdm
235	234	condition_concept_id	Yes	INTEGER	A foreign key that refers to a standard Condition Concept identifier in the Standardized Vocabularies.	condition_era	cdm
236	235	condition_era_start_date	Yes	DATE	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.	condition_era	cdm
237	236	condition_era_end_date	Yes	DATE	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.	condition_era	cdm
238	237	condition_occurrence_count	No	INTEGER	The number of individual Condition Occurrences used to construct the condition era.	condition_era	cdm
239	238	dose_era_id	Yes	INTEGER	A unique identifier for each Dose Era.	dose_era	cdm
240	239	person_id	Yes	INTEGER	A foreign key identifier to the Person who is subjected to the drug during the drug era. The demographic details of that Person are stored in the PERSON table.	dose_era	cdm
241	240	drug_concept_id	Yes	INTEGER	A foreign key that refers to a Standard Concept identifier in the Standardized Vocabularies for the active Ingredient Concept.	dose_era	cdm
242	241	unit_concept_id	Yes	INTEGER	A foreign key that refers to a Standard Concept identifier in the Standardized Vocabularies for the unit concept.	dose_era	cdm
243	242	dose_value	Yes	FLOAT	The numeric value of the dose.	dose_era	cdm
244	243	dose_era_start_date	Yes	DATE	The start date for the drug era constructed from the individual instances of drug exposures. It is the start date of the very first chronologically recorded instance of utilization of a drug.	dose_era	cdm
245	244	dose_era_end_date	Yes	DATE	The end date for the drug era constructed from the individual instance of drug exposures. It is the end date of the final continuously recorded instance of utilization of a drug.	dose_era	cdm
246	245	drug_era_id	Yes	INTEGER	A unique identifier for each Drug Era.	drug_era	cdm
247	246	person_id	Yes	INTEGER	A foreign key identifier to the Person who is subjected to the Drug during the fDrug Era. The demographic details of that Person are stored in the PERSON table.	drug_era	cdm
248	247	drug_concept_id	Yes	INTEGER	A foreign key that refers to a Standard Concept identifier in the Standardized Vocabularies for the Ingredient Concept.	drug_era	cdm
249	248	drug_era_start_date	Yes	DATE	The start date for the Drug Era constructed from the individual instances of Drug Exposures. It is the start date of the very first chronologically recorded instance of conutilization of a Drug.	drug_era	cdm
250	249	drug_era_end_date	Yes	DATE	The end date for the drug era constructed from the individual instance of drug exposures. It is the end date of the final continuously recorded instance of utilization of a drug.	drug_era	cdm
251	250	drug_exposure_count	No	INTEGER	The number of individual Drug Exposure occurrences used to construct the Drug Era.	drug_era	cdm
252	251	gap_days	No	INTEGER	The number of days that are not covered by DRUG_EXPOSURE records that were used to make up the era record.	drug_era	cdm
253	252	cost_id	Yes	INTEGER	A unique identifier for each COST record.	cost	cdm
254	253	cost_event_id	Yes	INTEGER	A foreign key identifier to the event (e.g. Measurement, Procedure, Visit, Drug Exposure, etc) record for which cost data are recorded.	cost	cdm
255	254	cost_domain_id	Yes	VARCHAR(20)	The concept representing the domain of the cost event, from which the corresponding table can be inferred that contains the entity for which cost information is recorded.	cost	cdm
256	255	cost_type_concept_id	Yes	INTEGER	A foreign key identifier to a concept in the CONCEPT table for the provenance or the source of the COST data: Calculated from insurance claim information, provider revenue, calculated from cost-to-charge ratio, reported from accounting database, etc.	cost	cdm
257	256	currency_concept_id	No	INTEGER	A foreign key identifier to the concept representing the 3-letter code used to delineate international currencies, such as USD for US Dollar.	cost	cdm
258	257	total_charge	No	FLOAT	The total amount charged by some provider of goods or services (e.g. hospital, physician pharmacy, dme provider) to payers (insurance companies, the patient).	cost	cdm
259	258	total_cost	No	FLOAT	The cost incurred by the provider of goods or services.	cost	cdm
260	259	total_paid	No	FLOAT	The total amount actually paid from all payers for goods or services of the provider.	cost	cdm
261	260	paid_by_payer	No	FLOAT	The amount paid by the Payer for the goods or services.	cost	cdm
262	261	paid_by_patient	No	FLOAT	The total amount paid by the Person as a share of the expenses.	cost	cdm
263	262	paid_patient_copay	No	FLOAT	The amount paid by the Person as a fixed contribution to the expenses.	cost	cdm
264	263	paid_patient_coinsurance	No	FLOAT	The amount paid by the Person as a joint assumption of risk. Typically, this is a percentage of the expenses defined by the Payer Plan after the Person's deductible is exceeded.	cost	cdm
265	264	paid_patient_deductible	No	FLOAT	The amount paid by the Person that is counted toward the deductible defined by the Payer Plan. paid_patient_deductible does contribute to the paid_by_patient variable.	cost	cdm
266	265	paid_by_primary	No	FLOAT	The amount paid by a primary Payer through the coordination of benefits.	cost	cdm
267	266	paid_ingredient_cost	No	FLOAT	The amount paid by the Payer to a pharmacy for the drug, excluding the amount paid for dispensing the drug. paid_ingredient_cost contributes to the paid_by_payer field if this field is populated with a nonzero value.	cost	cdm
268	267	paid_dispensing_fee	No	FLOAT	The amount paid by the Payer to a pharmacy for dispensing a drug, excluding the amount paid for the drug ingredient. paid_dispensing_fee contributes to the paid_by_payer field if this field is populated with a nonzero value.	cost	cdm
269	268	payer_plan_period_id	No	INTEGER	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.	cost	cdm
270	269	amount_allowed	No	FLOAT	The contracted amount agreed between the payer and provider.	cost	cdm
271	270	revenue_code_concept_id	No	INTEGER	A foreign key referring to a Standard Concept ID in the Standardized Vocabularies for Revenue codes.	cost	cdm
272	271	revenue_code_source_value	No	VARCHAR(50)	The source code for the Revenue code as it appears in the source data, stored here for reference.	cost	cdm
273	272	drg_concept_id	No	INTEGER	A foreign key to the predefined concept in the DRG Vocabulary reflecting the DRG for a visit.	cost	cdm
274	273	drg_source_value	No	VARCHAR(3)	The 3-digit DRG source code as it appears in the source data.	cost	cdm
275	274	payer_plan_period_id	Yes	INTEGER	A identifier for each unique combination of payer, sponsor, plan, family code and time span.	payer_plan_period	cdm
276	275	person_id	Yes	INTEGER	A foreign key identifier to the Person covered by the payer. The demographic details of that Person are stored in the PERSON table.	payer_plan_period	cdm
277	276	payer_plan_period_start_date	Yes	DATE	The start date of the payer plan period.	payer_plan_period	cdm
278	277	payer_plan_period_end_date	Yes	DATE	The end date of the payer plan period.	payer_plan_period	cdm
279	278	payer_concept_id	No	INTEGER	A foreign key that refers to a Standard Payer concept identifiers in the Standardized Vocabularies	payer_plan_period	cdm
280	279	payer_source_value	No	VARCHAR(50)	The source code for the payer as it appears in the source data.	payer_plan_period	cdm
281	280	payer_source_concept_id	No	INTEGER	A foreign key to a payer concept that refers to the code used in the source.	payer_plan_period	cdm
282	281	plan_concept_id	No	INTEGER	A foreign key that refers to a Standard plan that represents the health benefit plan in the Standardized Vocabularies	payer_plan_period	cdm
283	282	plan_source_value	No	VARCHAR(50)	The source code for the Person's health benefit plan as it appears in the source data.	payer_plan_period	cdm
284	283	plan_source_concept_id	No	INTEGER	A foreign key to a plan concept that refers to the code used in the source.	payer_plan_period	cdm
285	284	sponsor_concept_id	No	INTEGER	A foreign key that refers to a Standard plan that represents the sponsor in the Standardized Vocabularies	payer_plan_period	cdm
286	285	sponsor_source_value	No	VARCHAR(50)	The source code for the Person's sponsor of the health plan as it appears in the source data.	payer_plan_period	cdm
287	286	sponsor_source_concept_id*	No	INTEGER	A foreign key to a sponsor concept that refers to the code used in the source.	payer_plan_period	cdm
288	287	family_source_value	No	VARCHAR(50)	The source code for the Person's family as it appears in the source data.	payer_plan_period	cdm
289	288	stop_reason_concept_id	No	INTEGER	A foreign key that refers to a Standard termination reason that represents the reason for the termination in the Standardized Vocabularies.	payer_plan_period	cdm
290	289	stop_reason_source_value	No	VARCHAR(50)	The reason for stop-coverage of the record.	payer_plan_period	cdm
291	290	stop_reason_source_concept_id	No	INTEGER	A foreign key to a stop-coverage concept that refers to the code used in the source.	payer_plan_period	cdm
292	291	care_site_id	Yes	INTEGER	A unique identifier for each Care Site.	care_site	cdm
293	292	care_site_name	No	VARCHAR(255)	The verbatim description or name of the Care Site as in data source	care_site	cdm
294	293	place_of_service_concept_id	No	INTEGER	A foreign key that refers to a Place of Service Concept ID in the Standardized Vocabularies.	care_site	cdm
295	294	location_id	No	INTEGER	A foreign key to the geographic Location in the LOCATION table, where the detailed address information is stored.	care_site	cdm
296	295	care_site_source_value	No	VARCHAR(50)	The identifier for the Care Site in the source data, stored here for reference.	care_site	cdm
297	296	place_of_service_source_value	No	VARCHAR(50)	The source code for the Place of Service as it appears in the source data, stored here for reference.	care_site	cdm
298	297	location_id	Yes	INTEGER	A unique identifier for each geographic location.	location	cdm
299	298	address_1	No	VARCHAR(50)	The address field 1, typically used for the street address, as it appears in the source data.	location	cdm
300	299	address_2	No	VARCHAR(50)	The address field 2, typically used for additional detail such as buildings, suites, floors, as it appears in the source data.	location	cdm
301	300	city	No	VARCHAR(50)	The city field as it appears in the source data.	location	cdm
302	301	state	No	VARCHAR(2)	The state field as it appears in the source data.	location	cdm
303	302	zip	No	VARCHAR(9)	The zip or postal code.	location	cdm
304	303	county	No	VARCHAR(20)	The county.	location	cdm
305	304	location_source_value	No	VARCHAR(50)	The verbatim information that is used to uniquely identify the location as it appears in the source data.	location	cdm
306	305	provider_id	Yes	INTEGER	A unique identifier for each Provider.	provider	cdm
307	306	provider_name	No	VARCHAR(255)	A description of the Provider.	provider	cdm
308	307	npi	No	VARCHAR(20)	The National Provider Identifier (NPI) of the provider.	provider	cdm
309	308	dea	No	VARCHAR(20)	The Drug Enforcement Administration (DEA) number of the provider.	provider	cdm
310	309	specialty_concept_id	No	INTEGER	A foreign key to a Standard Specialty Concept ID in the Standardized Vocabularies.	provider	cdm
311	310	care_site_id	No	INTEGER	A foreign key to the main Care Site where the provider is practicing.	provider	cdm
312	311	year_of_birth	No	INTEGER	The year of birth of the Provider.	provider	cdm
313	312	gender_concept_id	No	INTEGER	The gender of the Provider.	provider	cdm
314	313	provider_source_value	No	VARCHAR(50)	The identifier used for the Provider in the source data, stored here for reference.	provider	cdm
315	314	specialty_source_value	No	VARCHAR(50)	The source code for the Provider specialty as it appears in the source data, stored here for reference.	provider	cdm
316	315	specialty_source_concept_id	No	INTEGER	A foreign key to a Concept that refers to the code used in the source.	provider	cdm
317	316	gender_source_value	No	VARCHAR(50)	The gender code for the Provider as it appears in the source data, stored here for reference.	provider	cdm
318	317	gender_source_concept_id	No	INTEGER	A foreign key to a Concept that refers to the code used in the source.	provider	cdm
319	318	cdm_source_name	Yes	VARCHAR(255)	The full name of the source	cdm_source	cdm
320	319	cdm_source_abbreviation	No	VARCHAR(25)	An abbreviation of the name	cdm_source	cdm
321	320	cdm_holder	No	VARCHAR(255)	The name of the organization responsible for the development of the CDM instance	cdm_source	cdm
322	321	source_description	No	CLOB	A description of the source data origin and purpose for collection. The description may contain a summary of the period of time that is expected to be covered by this dataset.	cdm_source	cdm
323	322	source_documentation_reference	No	VARCHAR(255)	URL or other external reference to location of source documentation	cdm_source	cdm
324	323	cdm_etl_reference	No	VARCHAR(255)	URL or other external reference to location of ETL specification documentation and ETL source code	cdm_source	cdm
325	324	source_release_date	No	DATE	The date for which the source data are most current, such as the last day of data capture	cdm_source	cdm
326	325	cdm_release_date	No	DATE	The date when the CDM was instantiated	cdm_source	cdm
327	326	cdm_version	No	VARCHAR(10)	The version of CDM used	cdm_source	cdm
328	327	vocabulary_version	No	VARCHAR(20)	The version of the vocabulary used	cdm_source	cdm
329	328	metadata_concept_id	Yes	INTEGER	A foreign key that refers to a Standard Metadata Concept identifier in the Standardized Vocabularies.	metadata	cdm
330	329	metadata_type_concept_id	Yes	INTEGER	A foreign key that refers to a Standard Type Concept identifier in the Standardized Vocabularies.	metadata	cdm
331	330	name	Yes	VARCHAR(250)	The name of the Concept stored in metadata_concept_id or a description of the data being stored.	metadata	cdm
332	331	value_as_string	No	NVARCHAR	The metadata value stored as a string.	metadata	cdm
333	332	value_as_concept_id	No	INTEGER	A foreign key to a metadata value stored as a Concept ID.	metadata	cdm
334	333	metadata date	No	DATE	The date associated with the metadata	metadata	cdm
335	334	metadata_datetime	No	DATETIME	The date and time associated with the metadata	metadata	cdm
336	335	attribute_definition_id	Yes	INTEGER	A unique identifier for each Attribute.	attribute_definition	cdm
337	336	attribute_name	Yes	VARCHAR(255)	A short description of the Attribute.	attribute_definition	cdm
338	337	attribute_description	No	VARCHAR(MAX)	A complete description of the Attribute definition	attribute_definition	cdm
339	338	attribute_type_concept_id	Yes	INTEGER	Type defining what kind of Attribute Definition the record represents and how the syntax may be executed	attribute_definition	cdm
340	339	attribute_syntax	No	VARCHAR(MAX)	Syntax or code to operationalize the Attribute definition	attribute_definition	cdm
341	340	cohort_definition_id	Yes	INTEGER	A unique identifier for each Cohort.	cohort_definition	cdm
342	341	cohort_definition_name	Yes	VARCHAR(255)	A short description of the Cohort.	cohort_definition	cdm
343	342	cohort_definition_description	No	VARCHAR(MAX)	A complete description of the Cohort definition	cohort_definition	cdm
344	343	definition_type_concept_id	Yes	INTEGER	Type defining what kind of Cohort Definition the record represents and how the syntax may be executed	cohort_definition	cdm
345	344	cohort_definition_syntax	No	VARCHAR(MAX)	Syntax or code to operationalize the Cohort definition	cohort_definition	cdm
346	345	subject_concept_id	Yes	INTEGER	A foreign key to the Concept to which defines the domain of subjects that are members of the cohort (e.g., Person, Provider, Visit).	cohort_definition	cdm
347	346	cohort_initiation_date	No	DATE	A date to indicate when the Cohort was initiated in the COHORT table	cohort_definition	cdm
348	347	concept_id	Yes	INTEGER	A unique identifier for each Concept across all domains.	concept	cdm
349	348	concept_name	Yes	VARCHAR(255)	An unambiguous, meaningful and descriptive name for the Concept.	concept	cdm
350	349	domain_id	Yes	VARCHAR(20)	A foreign key to the [DOMAIN](https://github.com/OHDSI/CommonDataModel/wiki/DOMAIN) table the Concept belongs to.	concept	cdm
351	350	vocabulary_id	Yes	VARCHAR(20)	A foreign key to the [VOCABULARY](https://github.com/OHDSI/CommonDataModel/wiki/VOCABULARY) table indicating from which source the Concept has been adapted.	concept	cdm
352	351	concept_class_id	Yes	VARCHAR(20)	The attribute or concept class of the Concept. Examples are 'Clinical Drug', 'Ingredient', 'Clinical Finding' etc.	concept	cdm
353	352	standard_concept	No	VARCHAR(1)	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 allowables values are 'S' (Standard Concept) and 'C' (Classification Concept), otherwise the content is NULL.	concept	cdm
354	353	concept_code	Yes	VARCHAR(50)	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.	concept	cdm
355	354	valid_start_date	Yes	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.	concept	cdm
356	355	valid_end_date	Yes	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.	concept	cdm
357	356	invalid_reason	No	VARCHAR(1)	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.	concept	cdm
358	357	ancestor_concept_id	Yes	INTEGER	A foreign key to the concept in the concept table for the higher-level concept that forms the ancestor in the relationship.	concept_ancestor	cdm
359	358	descendant_concept_id	Yes	INTEGER	A foreign key to the concept in the concept table for the lower-level concept that forms the descendant in the relationship.	concept_ancestor	cdm
360	359	min_levels_of_separation	Yes	INTEGER	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.	concept_ancestor	cdm
361	360	max_levels_of_separation	Yes	INTEGER	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.	concept_ancestor	cdm
362	361	concept_class_id	Yes	VARCHAR(20)	A unique key for each class.	concept_class	cdm
363	362	concept_class_name	Yes	VARCHAR(255)	The name describing the Concept Class, e.g. "Clinical Finding", "Ingredient", etc.	concept_class	cdm
364	363	concept_class_concept_id	Yes	INTEGER	A foreign key that refers to an identifier in the [CONCEPT](https://github.com/OHDSI/CommonDataModel/wiki/CONCEPT) table for the unique Concept Class the record belongs to.	concept_class	cdm
365	364	concept_id_1	Yes	INTEGER	A foreign key to a Concept in the [CONCEPT](https://github.com/OHDSI/CommonDataModel/wiki/CONCEPT) table associated with the relationship. Relationships are directional, and this field represents the source concept designation.	concept_relationship	cdm
366	365	concept_id_2	Yes	INTEGER	A foreign key to a Concept in the [CONCEPT](https://github.com/OHDSI/CommonDataModel/wiki/CONCEPT) table associated with the relationship. Relationships are directional, and this field represents the destination concept designation.	concept_relationship	cdm
367	366	relationship_id	Yes	VARCHAR(20)	A unique identifier to the type or nature of the Relationship as defined in the [RELATIONSHIP](https://github.com/OHDSI/CommonDataModel/wiki/RELATIONSHIP) table.	concept_relationship	cdm
368	367	valid_start_date	Yes	DATE	The date when the instance of the Concept Relationship is first recorded.	concept_relationship	cdm
369	368	valid_end_date	Yes	DATE	The date when the Concept Relationship became invalid because it was deleted or superseded (updated) by a new relationship. Default value is 31-Dec-2099.	concept_relationship	cdm
370	369	invalid_reason	No	VARCHAR(1)	Reason the relationship was invalidated. Possible values are 'D' (deleted), 'U' (replaced with an update) or NULL when valid_end_date has the default value.	concept_relationship	cdm
371	370	concept_id	Yes	INTEGER	A foreign key to the Concept in the CONCEPT table.	concept_synonym	cdm
372	371	concept_synonym_name	Yes	VARCHAR(1000)	The alternative name for the Concept.	concept_synonym	cdm
373	372	language_concept_id	Yes	INTEGER	A foreign key to a Concept representing the language.	concept_synonym	cdm
374	373	domain_id	Yes	VARCHAR(20)	A unique key for each domain.	domain	cdm
375	374	domain_name	Yes	VARCHAR(255)	The name describing the Domain, e.g. "Condition", "Procedure", "Measurement" etc.	domain	cdm
376	375	domain_concept_id	Yes	INTEGER	A foreign key that refers to an identifier in the [CONCEPT](https://github.com/OHDSI/CommonDataModel/wiki/CONCEPT) table for the unique Domain Concept the Domain record belongs to.	domain	cdm
377	376	drug_concept_id	Yes	INTEGER	A foreign key to the Concept in the CONCEPT table representing the identifier for Branded Drug or Clinical Drug Concept.	drug_strength	cdm
378	377	ingredient_concept_id	Yes	INTEGER	A foreign key to the Concept in the CONCEPT table, representing the identifier for drug Ingredient Concept contained within the drug product.	drug_strength	cdm
379	378	amount_value	No	FLOAT	The numeric value associated with the amount of active ingredient contained within the product.	drug_strength	cdm
380	379	amount_unit_concept_id	No	INTEGER	A foreign key to the Concept in the CONCEPT table representing the identifier for the Unit for the absolute amount of active ingredient.	drug_strength	cdm
381	380	numerator_value	No	FLOAT	The numeric value associated with the concentration of the active ingredient contained in the product	drug_strength	cdm
382	381	numerator_unit_concept_id	No	INTEGER	A foreign key to the Concept in the CONCEPT table representing the identifier for the numerator Unit for the concentration of active ingredient.	drug_strength	cdm
383	382	denominator_value	No	FLOAT	The amount of total liquid (or other divisible product, such as ointment, gel, spray, etc.).	drug_strength	cdm
384	383	denominator_unit_concept_id	No	INTEGER	A foreign key to the Concept in the CONCEPT table representing the identifier for the denominator Unit for the concentration of active ingredient.	drug_strength	cdm
385	384	box_size	No	INTEGER	The number of units of Clinical of Branded Drug, or Quantified Clinical or Branded Drug contained in a box as dispensed to the patient	drug_strength	cdm
386	385	valid_start_date	Yes	DATE	The date when the Concept was first recorded. The default value is 1-Jan-1970.	drug_strength	cdm
387	386	valid_end_date	Yes	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.	drug_strength	cdm
388	387	invalid_reason	No	VARCHAR(1)	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.	drug_strength	cdm
389	388	relationship_id	Yes	VARCHAR(20)	The type of relationship captured by the relationship record.	relationship	cdm
390	389	relationship_name	Yes	VARCHAR(255)	The text that describes the relationship type.	relationship	cdm
391	390	is_hierarchical	Yes	VARCHAR(1)	Defines whether a relationship defines concepts into classes or hierarchies. Values are 1 for hierarchical relationship or 0 if not.	relationship	cdm
392	391	defines_ancestry	Yes	VARCHAR(1)	Defines whether a hierarchical relationship contributes to the concept_ancestor table. These are subsets of the hierarchical relationships. Valid values are 1 or 0.	relationship	cdm
393	392	reverse_relationship_id	Yes	VARCHAR(20)	The identifier for the relationship used to define the reverse relationship between two concepts.	relationship	cdm
394	393	relationship_concept_id	Yes	INTEGER	A foreign key that refers to an identifier in the CONCEPT table for the unique relationship concept.	relationship	cdm
395	394	source_code	Yes	VARCHAR(50)	The source code being translated into a Standard Concept.	source_to_concept_map	cdm
396	395	source_concept_id	Yes	INTEGER	A foreign key to the Source Concept that is being translated into a Standard Concept.	source_to_concept_map	cdm
397	396	source_vocabulary_id	Yes	VARCHAR(20)	A foreign key to the VOCABULARY table defining the vocabulary of the source code that is being translated to a Standard Concept.	source_to_concept_map	cdm
398	397	source_code_description	No	VARCHAR(255)	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.	source_to_concept_map	cdm
399	398	target_concept_id	Yes	INTEGER	A foreign key to the target Concept to which the source code is being mapped.	source_to_concept_map	cdm
400	399	target_vocabulary_id	Yes	VARCHAR(20)	A foreign key to the VOCABULARY table defining the vocabulary of the target Concept.	source_to_concept_map	cdm
401	400	valid_start_date	Yes	DATE	The date when the mapping instance was first recorded.	source_to_concept_map	cdm
402	401	valid_end_date	Yes	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.	source_to_concept_map	cdm
403	402	invalid_reason	No	VARCHAR(1)	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.	source_to_concept_map	cdm
404	403	vocabulary_id	Yes	VARCHAR(20)	A unique identifier for each Vocabulary, such as ICD9CM, SNOMED, Visit.	vocabulary	cdm
405	404	vocabulary_name	Yes	VARCHAR(255)	The name describing the vocabulary, for example "International Classification of Diseases, Ninth Revision, Clinical Modification, Volume 1 and 2 (NCHS)" etc.	vocabulary	cdm
406	405	vocabulary_reference	Yes	VARCHAR(255)	External reference to documentation or available download of the about the vocabulary.	vocabulary	cdm
407	406	vocabulary_version	No	VARCHAR(255)	Version of the Vocabulary as indicated in the source.	vocabulary	cdm
408	407	vocabulary_concept_id	Yes	INTEGER	A foreign key that refers to a standard concept identifier in the CONCEPT table for the Vocabulary the VOCABULARY record belongs to.	vocabulary	cdm