{ "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-us-core-birthsex.json", "package_name": "hl7.fhir.us.core", "date": "2016-08-10", "publisher": "HL7 US Realm Steering Committee", "jurisdiction": [ { "coding": [ { "code": "US", "system": "urn:iso:std:iso:3166", "display": "United States of America" } ] } ], "name": "US_Core_Birth_Sex_Value_Set", "type": null, "experimental": null, "resourceType": "ValueSet", "title": "US Core Birth Sex Value Set", "package_version": "2.1.0", "status": "active", "id": "7e77cf5d-20da-47a3-b5e0-55c372ffacf6", "kind": null, "url": "http://hl7.org/fhir/us/core/ValueSet/us-core-birthsex", "version": "2.1.0", "contact": [ { "telecom": [ { "value": "http://hl7.org/fhir", "system": "other" } ] } ] }