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Updated CONCEPT_CLASS (markdown)

clairblacketer 2017-06-20 14:09:01 -04:00
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StandardizedVocabularies/CONCEPT_CLASS.md

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The CONCEPT_CLASS table is a reference table, which includes a list of the classifications used to differentiate Concepts within a given Vocabulary. This reference table is populated with a single record for each Concept Class:
Field|Required|Type|Description
:------------------------|:--------|:-----|:----------------------------------------------
:------------------------|:--------|:---------|:----------------------------------------------
|concept_class_id|Yes|varchar(20)|A unique key for each class.|
|concept_class_name|Yes|varchar(255)|The name describing the Concept Class, e.g. "Clinical Finding", "Ingredient", etc.|
|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.|