description: A code classifying the person's sex assigned at birth. Replicates the birthsex extension in US-Core-R4 for interoperability. package_name: ca.infoway.io.core derivation: constraint name: ExtensionBirthSex type: Extension elements: extension: {index: 0} url: pattern: {type: Uri, value: 'http://hl7.org/fhir/ca/baseline/StructureDefinition/ext-patientbirthsex'} index: 1 value: choices: [] index: 3 slicing: rules: open ordered: false discriminator: - {path: $this, type: type} min: 1 slices: valueCoding: match: {} schema: short: A code classifying the person's sex assigned at birth choices: [valueCoding] _required: true index: 5 min: 1 max: 1 valueCoding: short: A code classifying the person's sex assigned at birth type: Coding choiceOf: value index: 6 slicing: slices: valueCoding: match: {} schema: {short: A code classifying the person's sex assigned at birth, type: Coding, _required: true, choiceOf: value, index: 6} min: 1 max: 1 value[x]: elements: system: {index: 7} code: {index: 8} display: {short: Optional description of the sex at birth code, index: 9} required: [system, code] package_version: 1.0.0-dft-preballot-beta2 extensions: {} class: extension kind: complex-type url: http://hl7.org/fhir/ca/baseline/StructureDefinition/ext-patientbirthsex base: http://hl7.org/fhir/StructureDefinition/Extension version: 1.1.0 required: [valueCoding, value]