description: null package_name: irrs.pkg derivation: constraint name: IRRS Sex at birth type: Extension elements: url: pattern: {type: uri, value: 'http://cihi.ca/fhir/irrs/StructureDefinition/irrs-ext-birth-sex'} type: uri index: 0 valueCode: type: code index: 1 slicing: slices: valueCode: match: {} schema: {type: code, _required: true, index: 1} min: 1 package_version: 1.0.0 class: extension kind: complex-type url: http://cihi.ca/fhir/irrs/StructureDefinition/irrs-ext-birth-sex base: http://hl7.org/fhir/StructureDefinition/Extension version: null required: [valueCode]