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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

Substantial changes to the format and content in this version.

  • Atoms have all new codes.
  • New TTY = OP
  • New RELA = has_category/category_of
  • New attributes: COMMENT, DATE_ADDED_TO_VERSION, HAS_PREV_CODE, ONE_TO_MANY_RELATIONSHIP, STATUS,

Source Provided Files:

The input file was provided in an Excel spreadsheet consisting of 6 tabs:

  • Race2022
  • RaceVMapping2022to2000
  • Ethnicity2022
  • EthnicityMapping2022to2000
  • Retired2022-Race
  • Retired2020-Ethnicity
File Name Description
2022_RaceAndEthnicityFinal_TablesforPub_Final.xlsx Code set for use in coding race and ethnicity data

Source-Provided Files: Details


Tab: Race2022
Element Representation
Concept Code MRCONSO.CODE, MRCONSO.SCUI
Hierarchical Code Used to build the hierarchy
Concept MRCONSO.STR, MRCONSO.TTY = PT
Synonym Currently empty
Race Category (Name) Not used
Race Category (Code) MRREL.CUI*; MRREL.RELA=has_category
Date added to Version MRSAT.ATN=DATE_ADDED_TO_VERSION


Tab: RaceVMapping2022To2000
Element Representation
Concept Code 2022 Not used.
Hierarchical Code Not used.
Concept 2022 Not used.
Concept Code 2000 MRSAT.ATN=HAS_PREV_CODE
Concept 2000 Not used
1 to Many Relationship MRSAT.ATN=ONE_TO_MANY_RELATIONSHIP


Tab: Ethnicity2022
Element Representation
2022 Code MRCONSO.CODE, MRCONSO.SCUI
Hierarchical Code Used to build the hierarchy
Concept MRCONSO.STR, MRCONSO.TTY = PT
Synonym Currently empty
Ethnicity Category (Name) Not used
Ethnicity Category (Code) MRREL.CUI*; MRREL.RELA=has_category
Date added to Version MRSAT.ATN=DATE_ADDED_TO_VERSION


Tab: EthnicityMapping2022to2000
Element Representation
Concept Code 2022 Not used
Hierarchical Code Not used
Concept-Ethnicity Not used
Concept Code Ethnicity 2000 MRSAT.ATN=HAS_PREV_CODE
Concept Ethnicity 2000 Not used


Tab: Retired2022-Race
Element Representation
Concept Code 2000 MRCONSO.CODE, MRCONSO.SCUI
Concept2000 MRCONSO.STR, MRCONSO.TTY = OP
Concept Status MRSAT.ATN=STATUS
Comments MRSAT.ATN=COMMENT


Tab: Retired2020-Ethnicity
Element Representation
Concept Code 2000 MRCONSO.CODE, MRCONSO.SCUI
Concept2000 MRCONSO.STR, MRCONSO.TTY = OP
Comments MRSAT.ATN=STATUS