{
  "package" : "hl7.fhir.r4.core@4.0.1",
  "definition" : "Date when symptoms were first noticed.",
  "system" : "http://hl7.org/fhir/ex-onsettype",
  "property" : [ ],
  "codesystem" : "cf845214-cf9f-5de2-84e9-82bc58b41583",
  "concept_id" : "a5882613-5867-5ec3-a264-e97ae9760cd0",
  "ancestors" : {
    "sym" : 0
  },
  "id" : "4afdd5a5-9544-493e-b95e-cbca84d1a84b",
  "code" : "sym",
  "display" : "Start of Symptoms",
  "version" : "4.0.1"
}