{
  "package" : "hl7.fhir.r4.core@4.0.1",
  "definition" : "The 4th image in the AAPM TG18-LN8 set used for DICOM grayscale calibration. See [AAPM OR 03]",
  "system" : "http://dicom.nema.org/resources/ontology/DCM",
  "property" : [ ],
  "codesystem" : "edcf6828-b2c8-5028-b7f7-246cb8d5ac80",
  "concept_id" : "0b1965ce-25b4-5603-b568-8998d0c00e56",
  "ancestors" : {
    "109808" : 0
  },
  "id" : "faa47328-e91e-41cd-9085-cc08eef9dcfb",
  "code" : "109808",
  "display" : "TG18-LN8-04 Pattern",
  "version" : "01"
}