{
  "package" : "hl7.fhir.r4.examples@4.0.1",
  "definition" : "Patient is not known to have been exposed to or used the substance or medication",
  "system" : "http://dicom.nema.org/resources/ontology/DCM",
  "property" : [ ],
  "codesystem" : "5f336dd4-db81-5653-939a-25648922f08e",
  "concept_id" : "565837a8-b49e-5f8e-bf15-9a9cbc6e941c",
  "ancestors" : {
    "111587" : 0
  },
  "id" : "f676aa57-c28a-4f6b-8ca7-429b5ddbb5ab",
  "code" : "111587",
  "display" : "No known exposure",
  "version" : "01"
}