{
  "package" : "hl7.fhir.r4.examples@4.0.1",
  "definition" : "There is a very high level of clinical certainty that the reaction was due to the identified substance, which may include clinical evidence by testing or rechallenge.",
  "system" : "http://terminology.hl7.org/CodeSystem/reaction-event-certainty",
  "property" : [ ],
  "codesystem" : "ddb2f38a-b5df-59a8-b696-e94e881ecdcf",
  "concept_id" : "27947e0a-b2cd-5454-a23f-bf06cc0a5685",
  "ancestors" : {
    "confirmed" : 0
  },
  "id" : "a07d84ff-d656-46a8-b378-7478e5b6a1ea",
  "code" : "confirmed",
  "display" : "Confirmed",
  "version" : "4.0.1"
}