{
  "package" : "hl7.terminology.r4@6.3.0",
  "definition" : "**Description:**Patient exhibits a minimal reaction to the challenge agent.",
  "system" : "http://terminology.hl7.org/CodeSystem/v3-ObservationValue",
  "property" : [ {
    "code" : "status",
    "valueCode" : "active"
  }, {
    "code" : "internalId",
    "valueCode" : "22817"
  }, {
    "_uri" : "http://hl7.org/fhir/concept-properties#parent",
    "code" : "parent",
    "_implicit" : true,
    "valueCode" : "_AllergyTestValue"
  } ],
  "codesystem" : "730c6680-1192-583b-885c-ffeb9abd3fa3",
  "concept_id" : "069a81e0-0e62-5d2c-b180-580c16cfef36",
  "ancestors" : {
    "A1" : 0,
    "_AllergyTestValue" : 1
  },
  "id" : "bd23eeb9-3877-4d47-aadc-dd6e12ca88a4",
  "code" : "A1",
  "display" : "minimal reaction",
  "version" : "4.0.0"
}