{
  "package" : "hl7.terminology.r4@6.3.0",
  "definition" : "Indicates the result of a particular allergy test. E.g. Negative, Mild, Moderate, Severe",
  "system" : "http://terminology.hl7.org/CodeSystem/v3-ObservationValue",
  "property" : [ {
    "_uri" : "http://hl7.org/fhir/concept-properties#notSelectable",
    "code" : "notSelectable",
    "valueBoolean" : true
  }, {
    "_uri" : "http://hl7.org/fhir/concept-properties#status",
    "code" : "status",
    "valueCode" : "active"
  }, {
    "_uri" : "http://terminology.hl7.org/CodeSystem/utg-concept-properties#v3-internal-id",
    "code" : "internalId",
    "valueCode" : "21496"
  }, {
    "_uri" : "http://hl7.org/fhir/concept-properties#child",
    "code" : "child",
    "_implicit" : true,
    "valueCode" : "A0"
  }, {
    "_uri" : "http://hl7.org/fhir/concept-properties#child",
    "code" : "child",
    "_implicit" : true,
    "valueCode" : "A1"
  }, {
    "_uri" : "http://hl7.org/fhir/concept-properties#child",
    "code" : "child",
    "_implicit" : true,
    "valueCode" : "A2"
  }, {
    "_uri" : "http://hl7.org/fhir/concept-properties#child",
    "code" : "child",
    "_implicit" : true,
    "valueCode" : "A3"
  }, {
    "_uri" : "http://hl7.org/fhir/concept-properties#child",
    "code" : "child",
    "_implicit" : true,
    "valueCode" : "A4"
  } ],
  "codesystem" : "730c6680-1192-583b-885c-ffeb9abd3fa3",
  "concept_id" : "e4cbcf3d-34b9-5152-b3ca-bd63faa795e5",
  "ancestors" : {
    "_AllergyTestValue" : 0
  },
  "id" : "86f61248-24b4-4719-a816-79387adf44bb",
  "code" : "_AllergyTestValue",
  "display" : "AllergyTestValue",
  "version" : "4.0.0"
}