Updated CONCEPT (markdown)
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@ -9,8 +9,8 @@ Field|Required|Type|Description
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:-----|:--------|:----|:-----------
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:-----|:--------|:----|:-----------
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|concept_id|Yes|integer|A unique identifier for each Concept across all domains.|
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|concept_id|Yes|integer|A unique identifier for each Concept across all domains.|
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|concept_name|Yes|varchar(255)|An unambiguous, meaningful and descriptive name for the Concept.|
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|concept_name|Yes|varchar(255)|An unambiguous, meaningful and descriptive name for the Concept.|
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|domain_id|Yes|varchar(20)|A foreign key to the [[documentation:cdm:domain|DOMAIN]] table the Concept belongs to.|
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|domain_id|Yes|varchar(20)|A foreign key to the [DOMAIN](wiki/DOMAIN) table the Concept belongs to.|
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|vocabulary_id|Yes|varchar(20)|A foreign key to the [[documentation:cdm:vocabulary|VOCABULARY]] table indicating from which source the Concept has been adapted.|
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|vocabulary_id|Yes|varchar(20)|A foreign key to the [VOCABULARY](wiki/VOCABULARY] table indicating from which source the Concept has been adapted.|
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|concept_class_id|Yes|varchar(20)|The attribute or concept class of the Concept. Examples are “Clinical Drug”, “Ingredient”, “Clinical Finding” etc.|
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|concept_class_id|Yes|varchar(20)|The attribute or concept class of the Concept. Examples are “Clinical Drug”, “Ingredient”, “Clinical Finding” etc.|
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|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.|
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|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.|
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|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.|
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|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.|
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