{
  "package" : "hl7.fhir.r4.examples@4.0.1",
  "definition" : "The 12th 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" : "5f336dd4-db81-5653-939a-25648922f08e",
  "concept_id" : "807125f1-7746-5438-b90e-88e518985428",
  "ancestors" : {
    "109816" : 0
  },
  "id" : "1ea7e5b1-07e9-4f60-aaf9-fcdc00e71148",
  "code" : "109816",
  "display" : "TG18-LN8-12 Pattern",
  "version" : "01"
}