{
  "package" : "hl7.fhir.r4.core@4.0.1",
  "definition" : "The average value of the free-in-air CTDI associated with this acquisition",
  "system" : "http://dicom.nema.org/resources/ontology/DCM",
  "property" : [ ],
  "codesystem" : "edcf6828-b2c8-5028-b7f7-246cb8d5ac80",
  "concept_id" : "3fa63749-0220-5ff6-b0ba-72184c56ea32",
  "ancestors" : {
    "113837" : 0
  },
  "id" : "7fd1468e-1871-4d29-8fff-dd6fd879ae0b",
  "code" : "113837",
  "display" : "Mean CTDIfreeair",
  "version" : "01"
}