{
  "package" : "hl7.terminology@6.3.0",
  "definition" : "**Definition:**Testing has shown that the patient already has immunity to the agent targeted by the immunization.",
  "system" : "http://terminology.hl7.org/CodeSystem/v3-ActReason",
  "property" : [ {
    "_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" : "21745"
  }, {
    "_uri" : "http://hl7.org/fhir/concept-properties#parent",
    "code" : "subsumedBy",
    "valueCode" : "_ActNoImmunizationReason"
  } ],
  "codesystem" : "8b78f8bd-f4dc-529d-be91-547680f65106",
  "concept_id" : "28b42ddb-bfc0-5f57-ae11-8b356983a026",
  "ancestors" : {
    "IMMUNE" : 0,
    "_ActNoImmunizationReason" : 1
  },
  "id" : "2d13ec26-c1cc-430e-96cc-a233be1ec5f6",
  "code" : "IMMUNE",
  "display" : "immunity",
  "version" : "3.1.0"
}