description: This extension allows the Client Registry to include historical gender codes in a single Patient resource. package_name: fhir.ca-bc.client derivation: constraint name: GenderHistoryExtension type: Extension elements: extension: index: 0 slicing: slices: gender: match: {} schema: mustSupport: true array: true index: 1 extensions: {} elements: extension: {index: 2} url: pattern: {type: Uri, value: gender} index: 3 value: mustSupport: true choices: [valueCode] index: 5 valueCode: {type: code, mustSupport: true, choiceOf: value, index: 6} required: [valueCode, value] businessDates: match: {} schema: {type: Extension, mustSupport: true, url: 'http://hlth.gov.bc.ca/fhir/client/StructureDefinition/bc-business-period-extension', index: 7} min: 1 max: 1 sourceID: match: {} schema: {type: Extension, mustSupport: true, url: 'http://hlth.gov.bc.ca/fhir/client/StructureDefinition/bc-sourceId-extension', index: 8} min: 0 max: 1 url: pattern: {type: Uri, value: 'http://hlth.gov.bc.ca/fhir/client/StructureDefinition/bc-gender-history-extension'} index: 9 value: choices: [] index: 11 package_version: 1.0.1-beta extensions: gender: url: null mustSupport: true array: true index: 1 extensions: {} elements: extension: {index: 2} url: pattern: {type: Uri, value: gender} index: 3 value: mustSupport: true choices: [valueCode] index: 5 valueCode: {type: code, mustSupport: true, choiceOf: value, index: 6} required: [valueCode, value] businessDates: {url: 'http://hlth.gov.bc.ca/fhir/client/StructureDefinition/bc-business-period-extension', min: 1, max: 1, type: Extension, mustSupport: true, index: 7} sourceID: {url: 'http://hlth.gov.bc.ca/fhir/client/StructureDefinition/bc-sourceId-extension', min: 0, max: 1, type: Extension, mustSupport: true, index: 8} class: extension kind: complex-type url: http://hlth.gov.bc.ca/fhir/client/StructureDefinition/bc-gender-history-extension base: http://hl7.org/fhir/StructureDefinition/Extension version: 1.0.0 required: [extension]