{
  "package" : "hl7.fhir.r4.core@4.0.1",
  "definition" : "An undesired reaction caused by exposure to some agent (e.g. a medication, immunization, food, or environmental agent).",
  "system" : "http://terminology.hl7.org/CodeSystem/basic-resource-type",
  "property" : [ ],
  "codesystem" : "a781f379-394e-5992-b4d3-d310699292b3",
  "concept_id" : "becd1d01-3dd7-51eb-8d10-e4e2f943e82d",
  "ancestors" : {
    "advevent" : 0
  },
  "id" : "6d83b50e-1238-4ebb-a122-d8a702b9ac06",
  "code" : "advevent",
  "display" : "Adverse Event",
  "version" : "4.0.1"
}