{
  "package" : "hl7.fhir.r4.core@4.0.1",
  "definition" : "Description:Patient exhibits moderate reaction to the challenge agent.",
  "system" : "http://terminology.hl7.org/CodeSystem/v3-ObservationValue",
  "property" : [ {
    "_uri" : "http://hl7.org/fhir/concept-properties#parent",
    "code" : "parent",
    "_implicit" : true,
    "valueCode" : "_AllergyTestValue"
  } ],
  "codesystem" : "ec013d25-2aca-5859-85ca-8417fa535d67",
  "concept_id" : "fa97d28b-4131-56d1-b727-c6d7ee253d0f",
  "ancestors" : {
    "A3" : 0,
    "_AllergyTestValue" : 1
  },
  "id" : "6dcbf84a-a0be-4c84-bddd-fe40d3d7f1aa",
  "code" : "A3",
  "display" : "moderate reaction",
  "version" : "2018-08-12"
}