{
  "package" : "hl7.fhir.r4.core@4.0.1",
  "definition" : "AAPM TG18-CT Pattern used for evaluation of luminance response. See [AAPM OR 03]",
  "system" : "http://dicom.nema.org/resources/ontology/DCM",
  "property" : [ ],
  "codesystem" : "edcf6828-b2c8-5028-b7f7-246cb8d5ac80",
  "concept_id" : "ae69cbc5-1b59-5c67-941e-1a152187e29f",
  "ancestors" : {
    "109804" : 0
  },
  "id" : "f0e63fcf-0c9a-4ecd-a05a-e2f2a60e4dd0",
  "code" : "109804",
  "display" : "TG18-CT Pattern",
  "version" : "01"
}