{
  "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://terminology.hl7.org/CodeSystem/v3-AdministrativeGender",
      "concept": [ {
        "code": "F",
        "display": "Female"
      }, {
        "code": "M",
        "display": "Male"
      } ]
    }, {
      "system": "http://terminology.hl7.org/CodeSystem/v3-NullFlavor",
      "concept": [ {
        "code": "UNK",
        "display": "Unknown"
      } ]
    } ]
  },
  "_filename": "ValueSet-birthsex.json",
  "package_name": "hl7.fhir.us.core",
  "date": "2019-05-21",
  "publisher": "HL7 US Realm Steering Committee",
  "jurisdiction": [ {
    "coding": [ {
      "code": "US",
      "system": "urn:iso:std:iso:3166",
      "display": "United States of America"
    } ]
  } ],
  "name": "BirthSex",
  "type": null,
  "experimental": null,
  "resourceType": "ValueSet",
  "title": "Birth Sex",
  "package_version": "3.1.1",
  "status": "active",
  "id": "1d6db4b9-d3dc-4b60-83f3-6e2635f8abec",
  "kind": null,
  "url": "http://hl7.org/fhir/us/core/ValueSet/birthsex",
  "identifier": [ {
    "value": "urn:oid:2.16.840.1.113762.1.4.1021.24",
    "system": "urn:ietf:rfc:3986"
  } ],
  "version": "3.1.1",
  "contact": [ {
    "telecom": [ {
      "value": "http://hl7.org/fhir",
      "system": "other"
    } ]
  } ]
}