{
  "package" : "hl7.fhir.r4.core@4.0.1",
  "definition" : "The 3rd image in the AAPM TG18-LN12 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" : "2fde3c6b-ccc6-5883-a3e6-7483c3a6ad8d",
  "ancestors" : {
    "109825" : 0
  },
  "id" : "62938e13-930f-4476-ac6f-57625181f1fc",
  "code" : "109825",
  "display" : "TG18-LN12-03 Pattern",
  "version" : "01"
}