description: 'Concepts classifying the person into a named category of humans sharing common history, traits, geographical origin or nationality. The ethnicity codes used to represent these concepts are based upon the [CDC ethnicity 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 43 reference ethnicity. The ethnicity concepts are grouped by and pre-mapped to the 2 OMB ethnicity categories: - Hispanic or Latino - Not Hispanic or Latino.' package_name: hl7.fhir.us.core derivation: constraint name: USCoreEthnicityExtension type: Extension elements: extension: short: Hispanic or Latino|Not Hispanic or Latino type: Extension mustSupport: true index: 0 slicing: slices: ombCategory: match: {} schema: short: Hispanic or Latino|Not Hispanic or Latino type: Extension mustSupport: true index: 0 elements: url: type: uri pattern: {type: Uri, value: ombCategory} index: 1 value: choices: [valueCoding] index: 3 valueCoding: {type: Coding, choiceOf: value, index: 4} required: [valueCoding, url, value] detailed: match: {} schema: short: Extended ethnicity codes type: Extension array: true index: 5 elements: url: type: uri pattern: {type: Uri, value: detailed} index: 6 value: choices: [valueCoding] index: 8 valueCoding: {type: Coding, choiceOf: value, index: 9} required: [valueCoding, url, value] text: match: {} schema: short: ethnicity Text type: Extension mustSupport: true _required: true index: 10 elements: url: type: uri pattern: {type: Uri, value: text} index: 11 value: choices: [valueString] index: 13 valueString: {type: string, choiceOf: value, index: 14} required: [url, valueString, value] url: pattern: {type: Uri, value: 'http://hl7.org/fhir/us/core/StructureDefinition/us-core-ethnicity'} index: 15 value: choices: [] index: 17 package_version: 3.1.0 extensions: ombCategory: url: null short: Hispanic or Latino|Not Hispanic or Latino type: Extension mustSupport: true index: 0 elements: url: type: uri pattern: {type: Uri, value: ombCategory} index: 1 value: choices: [valueCoding] index: 3 valueCoding: {type: Coding, choiceOf: value, index: 4} required: [valueCoding, url, value] detailed: url: null short: Extended ethnicity codes type: Extension array: true index: 5 elements: url: type: uri pattern: {type: Uri, value: detailed} index: 6 value: choices: [valueCoding] index: 8 valueCoding: {type: Coding, choiceOf: value, index: 9} required: [valueCoding, url, value] text: url: null short: ethnicity Text type: Extension mustSupport: true _required: true index: 10 elements: url: type: uri pattern: {type: Uri, value: text} index: 11 value: choices: [valueString] index: 13 valueString: {type: string, choiceOf: value, index: 14} required: [url, valueString, value] class: extension kind: complex-type url: http://hl7.org/fhir/us/core/StructureDefinition/us-core-ethnicity base: http://hl7.org/fhir/StructureDefinition/Extension version: 3.1.0 required: [url]