{
  "description": "This value set includes example Onset Type codes which are used to identify the event for which the onset, starting date, is required.",
  "_filename": "CodeSystem-ex-onsettype.json",
  "package_name": "hl7.fhir.r4.core",
  "date": null,
  "meta": {
    "profile": [ "http://hl7.org/fhir/StructureDefinition/shareablecodesystem" ],
    "lastUpdated": "2019-11-01T09:29:23.356+11:00"
  },
  "publisher": "Financial Management",
  "content": "complete",
  "name": "ExampleOnsetType(Reason)Codes",
  "copyright": "This is an example set.",
  "type": null,
  "experimental": "false",
  "resourceType": "CodeSystem",
  "title": "Example Onset Type (Reason) Codes",
  "package_version": "4.0.1",
  "status": "draft",
  "id": "6a210880-f4b6-4f31-a1f8-eb1063846ed8",
  "valueSet": "http://hl7.org/fhir/ValueSet/ex-onsettype",
  "kind": null,
  "url": "http://hl7.org/fhir/ex-onsettype",
  "identifier": [ {
    "value": "urn:oid:2.16.840.1.113883.4.642.4.579",
    "system": "urn:ietf:rfc:3986"
  } ],
  "concept": [ {
    "code": "lxm",
    "display": "Last Exam",
    "definition": "Date of last examination."
  }, {
    "code": "sym",
    "display": "Start of Symptoms",
    "definition": "Date when symptoms were first noticed."
  }, {
    "code": "lmn",
    "display": "Last Menstruation",
    "definition": "Start date of last menstruation."
  } ],
  "caseSensitive": true,
  "version": "4.0.1",
  "contact": [ {
    "telecom": [ {
      "value": "http://hl7.org/fhir",
      "system": "url"
    } ]
  } ]
}