{
  "package" : "hl7.terminology@6.3.0",
  "definition" : "**Description:**Patient exhibits moderate reaction to the challenge agent.",
  "system" : "http://terminology.hl7.org/CodeSystem/v3-ObservationValue",
  "property" : [ {
    "code" : "status",
    "valueCode" : "active"
  }, {
    "code" : "internalId",
    "valueCode" : "22819"
  }, {
    "_uri" : "http://hl7.org/fhir/concept-properties#parent",
    "code" : "parent",
    "_implicit" : true,
    "valueCode" : "_AllergyTestValue"
  } ],
  "codesystem" : "5c27b08a-aae6-5d2d-b9ad-151dd25ce21c",
  "concept_id" : "fa97d28b-4131-56d1-b727-c6d7ee253d0f",
  "ancestors" : {
    "A3" : 0,
    "_AllergyTestValue" : 1
  },
  "id" : "2630e001-4835-4633-9822-f24e2d24d0a4",
  "code" : "A3",
  "display" : "moderate reaction",
  "version" : "4.0.0"
}