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Unified Medical Language System (UMLS)

UMLS Vocabularies

CDCREC (Race & Ethnicity - CDC) - Source Representation


This page lists specific source data elements and provides information on their representation in the UMLS Metathesaurus.

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Summary of Changes
Summary of Source-Provided Files
Source-Provided File Details

Summary of Changes

  • This is a new source. Only atoms and a hierarchy were created.

Source Provided Files:

The input file was provided in an Excel spreadsheet consisting of five tabs:

  • Code System Metadata
  • All Codes
  • Ethnicity Relationship Mapping
  • Race Relationship Mapping
  • All Relationships
File Name Description
PH_RaceAndEthnicity_CDC_v1.2.xlsx Code set for use in coding race and ethnicity data

Source-Provided Files: Details


Tab: Code System Metadata
Element Representation
CodeSystemOID Not used
HL70396Identifier Not used
CodeSystemCode Not used
CodeSystemName Not used
CodeSystemVersion Not used
VersionDescriptionText Not used
CodeSystemSourceURL Not used


Tab: All Codes
Element Representation
Concept Code MRCONSO.CODE, MRCONSO.SCUI
Hierarchical Code Not used. Use the 'All Relationships' tab to build contexts.
Concept Name Not used. Use the 'Preferred Concept Name' field within the 'All Codes' tab.
Preferred Concept Name MRCONSO.STR, MRCONSO.TTY = PT
SDOConceptStatus Not used
SDOConceptCreateDate Not used
CodeSystem Not used


Tab: Ethnicity Relationship Mapping
Element Representation
Concept Name Not used. Value is included in the 'All Codes' tab.
Concept Code Not used. Value is included in the 'All Codes' tab.
Hierarchical Code Not used. Use the 'All Relationships' tab to build contexts.
Ethnicity Group (Concept Name) Not used. Value is included in the 'All Codes' tab.
Ethnicity Group (Concept Code) Not used. Value is included in the 'All Codes' tab.


Tab: Race Relationship Mapping
Element Representation
Concept Name Not used. Value is included in the 'All Codes' tab.
Concept Code Not used. Value is included in the 'All Codes' tab.
Hierarchical Code Not used. Use the 'All Relationships' tab to build contexts.
Race Category (Concept Name) Not used. Value is included in the 'All Codes' tab.
Race Category (Concept Code) Not used. Value is included in the 'All Codes' tab.
Hierarchical Code Not used. Use the 'All Relationships' tab to build contexts.


Tab: All Relationships
Element Representation
Concept Code1 (Parent) Used to build contexts.
CodeSystemOID2 Not used
RelationshipType Not used
ConceptCode2 (Child) Used to build contexts