description: 'The US Core Sex Extension is used to reflect the documentation of a person''s sex. It aligns with the C-CDA Sex Observation (LOINC 46098-0). Future versions of this extension will be informed by the content of the HL7 Cross Paradigm IG: Gender Harmony - Sex and Gender Representation 1.0.0 when published. \"Birth Sex\", represented by [US Core Birth Sex Extension](http://hl7.org/fhir/us/core/StructureDefinition/us-core-birthsex) falls under this broader category of \"Sex\".'
package_name: hl7.fhir.us.core
derivation: constraint
name: USCoreSexExtension
type: Extension
elements:
  url:
    pattern: {type: Uri, value: 'http://hl7.org/fhir/us/core/StructureDefinition/us-core-sex'}
    index: 0
  value:
    choices: [valueCode]
    index: 2
  valueCode: {type: code, choiceOf: value, index: 3}
package_version: 6.1.0-snapshot1
class: extension
kind: complex-type
url: http://hl7.org/fhir/us/core/StructureDefinition/us-core-sex
base: http://hl7.org/fhir/StructureDefinition/Extension
version: 6.1.0-snapshot1
required: [valueCode, value]