description: This profile defines the minimum expectations for a [Person Recorded Sex or Gender extension](https://build.fhir.org/ig/hl7au/au-fhir-base//StructureDefinition-individual-recordedSexOrGender.html) when representing Sex Assigned at Birth. This profile identifies the *additional* mandatory core elements, extensions, vocabularies and value sets that **SHALL** be present in the Extension when conforming to this profile. package_name: hl7.fhir.au.core derivation: constraint name: AUCoreSexAssignedAtBirth type: Extension elements: extension: type: Extension mustSupport: true index: 0 slicing: slices: value: match: {} schema: type: Extension mustSupport: true _required: true index: 0 elements: value: choices: [valueCodeableConcept] index: 2 valueCodeableConcept: {type: CodeableConcept, choiceOf: value, index: 3} required: [value, valueCodeableConcept] type: match: {} schema: short: SNOMED Sex Assigned at Birth type: Extension mustSupport: true _required: true index: 4 elements: value: pattern: type: CodeableConcept value: coding: - {code: '1515311000168102', system: 'http://snomed.info/sct'} choices: [valueCodeableConcept] index: 6 valueCodeableConcept: type: CodeableConcept pattern: type: CodeableConcept value: coding: - {code: '1515311000168102', system: 'http://snomed.info/sct'} choiceOf: value index: 7 required: [value, valueCodeableConcept] package_version: 1.0.0-ballot extensions: value: url: null type: Extension mustSupport: true _required: true index: 0 elements: value: choices: [valueCodeableConcept] index: 2 valueCodeableConcept: {type: CodeableConcept, choiceOf: value, index: 3} required: [value, valueCodeableConcept] type: url: null short: SNOMED Sex Assigned at Birth type: Extension mustSupport: true _required: true index: 4 elements: value: pattern: type: CodeableConcept value: coding: - {code: '1515311000168102', system: 'http://snomed.info/sct'} choices: [valueCodeableConcept] index: 6 valueCodeableConcept: type: CodeableConcept pattern: type: CodeableConcept value: coding: - {code: '1515311000168102', system: 'http://snomed.info/sct'} choiceOf: value index: 7 required: [value, valueCodeableConcept] class: extension kind: complex-type url: http://hl7.org.au/fhir/core/StructureDefinition/au-core-rsg-sexassignedab base: http://hl7.org/fhir/StructureDefinition/individual-recordedSexOrGender version: 1.0.0-ballot required: [extension]