{
  "package" : "hl7.fhir.r4.examples@4.0.1",
  "definition" : "A C 11 Choline PET radiotracer",
  "system" : "http://dicom.nema.org/resources/ontology/DCM",
  "property" : [ ],
  "codesystem" : "5f336dd4-db81-5653-939a-25648922f08e",
  "concept_id" : "4b5612f8-1f97-51d5-be6a-4297dec13553",
  "ancestors" : {
    "126703" : 0
  },
  "id" : "d9d9661c-3a77-49e8-944f-f57b8f267f42",
  "code" : "126703",
  "display" : "Choline C^11^",
  "version" : "01"
}