{
  "package" : "hl7.fhir.r4.core@4.0.1",
  "definition" : "Indication that the current exam data has been compared with prior exam data",
  "system" : "http://dicom.nema.org/resources/ontology/DCM",
  "property" : [ ],
  "codesystem" : "edcf6828-b2c8-5028-b7f7-246cb8d5ac80",
  "concept_id" : "b7d7ffde-67a7-50e0-85e8-dac68ea73533",
  "ancestors" : {
    "122140" : 0
  },
  "id" : "37b91b8f-43b1-4d65-8e5c-8666238b7afa",
  "code" : "122140",
  "display" : "Comparison with Prior Exam Done",
  "version" : "01"
}