description: Indicates the birth sex of the patient package_name: hl7.fhir.us.dapl derivation: constraint name: DAPLSexExtension type: Extension elements: url: type: uri pattern: {type: Uri, value: 'http://hl7.org/fhir/us/dapl/StructureDefinition/dapl-sex-extension'} index: 0 value: choices: [valueCode] index: 2 valueCode: {type: code, choiceOf: value, index: 3} package_version: 1.0.0-ballot class: extension kind: complex-type url: http://hl7.org/fhir/us/dapl/StructureDefinition/dapl-sex-extension base: http://hl7.org/fhir/StructureDefinition/Extension version: 1.0.0-ballot required: [valueCode, value]