| Name | Value | Comments | 
|---|
|  abstract | false |  | 
|  baseDefinition | http://hl7.org/fhir/StructureDefinition/Extension |  | 
|  copyright | Used by permission of HL7 International, all rights reserved Creative Commons License |  | 
|  date | 2019-05-21 | 2023-10-17 |  | 
|  description | Concepts classifying the person into a named category of humans sharing common history, traits, geographical origin or nationality.  The race codes used to represent these concepts are based upon the [CDC Race and Ethnicity Code Set Version 1.0](http://www.cdc.gov/phin/resources/vocabulary/index.html) which includes over 900 concepts for representing race and ethnicity of which 921 reference race.  The race concepts are grouped by and pre-mapped to the 5 OMB race categories:
 - American Indian or Alaska Native
 - Asian
 - Black or African American
 - Native Hawaiian or Other Pacific Islander
 - White. | Concepts classifying the person into a named category of humans sharing common history, traits, geographical origin or nationality.  The race codes used to represent these concepts are based upon the [CDC Race and Ethnicity Code Set Version 1.0](http://www.cdc.gov/phin/resources/vocabulary/index.html#3) which includes over 900 concepts for representing race and ethnicity of which 921 reference race.  The race concepts are grouped by and pre-mapped to the 5 OMB race categories:
 - American Indian or Alaska Native
 - Asian
 - Black or African American
 - Native Hawaiian or Other Pacific Islander
 - White. |  | 
|  experimental |  |  | 
|  fhirVersion | 4.0.1 |  | 
|  jurisdiction |  |  | 
|   jurisdiction[0] | urn:iso:std:iso:3166#US |  | 
|  kind | complex-type |  | 
|  name | USCoreRaceExtension |  | 
|  publisher | HL7 International - US Realm Steering Committee | HL7 International / Cross-Group Projects |  | 
|  purpose | Complies with 2015 Edition Common Clinical Data Set for patient race. |  | 
|  status | active |  | 
|  title | US Core Race Extension |  | 
|  type | Extension |  | 
|  url | http://hl7.org/fhir/us/core/StructureDefinition/us-core-race |  | 
|  version | 4.0.0 | 8.0.0-ballot |  | 
| Name | L Flags | L Card. | L Type | L Description & Constraints | R Flags | R Card. | R Type | R Description & Constraints | Comments  | 
|---|
|   Extension |  | 0..1 | Extension | US Core Race Extension 
 | C | 0..1 | Extension | US Core Race Extension us-core-23: If "ASKU" or "UNK" are present, then no other OMB race categories can be present.
 
 |  | 
|    id |  | 0..1 | string | Unique id for inter-element referencing |  | 0..1 | string | Unique id for inter-element referencing |  | 
|    Slices for extension |  | 0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url
 
 |  | 1..* | Extension | Extension Slice: Unordered, Open by value:url
 
 | Element minimum cardinalities differ:  '0' vs '1'
 | 
|    url |  | 1..1 | uri | "http://hl7.org/fhir/us/core/StructureDefinition/us-core-race" |  | 1..1 | uri | "http://hl7.org/fhir/us/core/StructureDefinition/us-core-race" |  | 
|    value[x] |  | 0..0 |  |  |  | 0..0 |  |  |  | 
| 
  Documentation for this format |