{
  "description": "Codes for assigning sex at birth as specified by the [Office of the National Coordinator for Health IT (ONC)](https://www.healthit.gov/newsroom/about-onc)",
  "compose": {
    "include": [ {
      "system": "http://hl7.org/fhir/v3/AdministrativeGender",
      "concept": [ {
        "code": "F",
        "display": "Female"
      }, {
        "code": "M",
        "display": "Male"
      } ]
    }, {
      "system": "http://hl7.org/fhir/v3/NullFlavor",
      "concept": [ {
        "code": "UNK",
        "display": "Unknown"
      } ]
    } ]
  },
  "_filename": "ValueSet-us-core-birthsex.json",
  "package_name": "hl7.fhir.us.core",
  "date": "2016-08-10",
  "publisher": "HL7 US Realm Steering Committee",
  "name": "US Core Birth Sex Value Set",
  "type": null,
  "experimental": null,
  "resourceType": "ValueSet",
  "title": null,
  "package_version": "1.0.0",
  "status": "active",
  "id": "a0b17487-d32b-404f-9a95-2657b3aed45e",
  "kind": null,
  "url": "http://hl7.org/fhir/us/core/ValueSet/us-core-birthsex",
  "version": "1.0.0",
  "contact": [ {
    "telecom": [ {
      "value": "http://hl7.org/fhir",
      "system": "other"
    } ]
  } ]
}