# Slot: 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._ URI: [https://athena.ohdsi.org/search-terms/terms#concept/standard_concept](https://athena.ohdsi.org/search-terms/terms#concept/standard_concept) Alias: standard_concept ## Applicable Classes | Name | Description | Modifies Slot | | --- | --- | --- | | [Concept](Concept.md) | The Standardized Vocabularies contains records, or Concepts, that uniquely id... | no | ## Properties * Range: [standard_concept](standard_concept.md) ## Usages | used by | used in | type | used | | --- | --- | --- | --- | | [Concept](Concept.md) | [standard_concept](standard_concept.md) | range | [standard_concept](standard_concept.md) | ## Identifier and Mapping Information ### Schema Source * from schema: https://athena.ohdsi.org/search-terms/terms#concept ## Mappings | Mapping Type | Mapped Value | | --- | --- | | self | https://athena.ohdsi.org/search-terms/terms#concept/standard_concept | | native | https://athena.ohdsi.org/search-terms/terms#concept/standard_concept | ## LinkML Source
```yaml name: standard_concept description: 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. from_schema: https://athena.ohdsi.org/search-terms/terms#concept rank: 1000 alias: standard_concept owner: Concept domain_of: - Concept range: standard_concept required: false ```