description: A code classifying the person's ethnic group or ethnicity as the category of people who identify with each other, usually on the basis of a presumed common genealogy or ancestry or on other similarities. This should not be confused with citizenship or nationality. package_name: ca.on.oh.mha-pds derivation: constraint name: ExtensionEthnicity type: Extension elements: url: pattern: {type: Uri, value: 'http://ontariohealth.ca/fhir/StructureDefinition/ca-on-mha-ext-ethnicity'} index: 0 value: choices: [valueCodeableConcept] index: 2 valueCodeableConcept: {type: CodeableConcept, choiceOf: value, index: 3} value[x]: elements: coding: mustSupport: true index: 4 elements: system: {mustSupport: true, index: 5} code: {mustSupport: true, index: 6} display: {mustSupport: true, index: 7} required: [display, system, code] package_version: 0.9.0-alpha-1.9.7.13 class: extension kind: complex-type url: http://ontariohealth.ca/fhir/StructureDefinition/ca-on-mha-ext-ethnicity base: http://hl7.org/fhir/StructureDefinition/Extension version: 0.1.0