{
  "package" : "hl7.fhir.r4.examples@4.0.1",
  "definition" : "The 1st 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" : "5f336dd4-db81-5653-939a-25648922f08e",
  "concept_id" : "f529284f-4ca8-5e8d-a865-0ec687dc0a25",
  "ancestors" : {
    "109823" : 0
  },
  "id" : "e1504d38-a0b9-4126-ab9f-192bf21fd3a3",
  "code" : "109823",
  "display" : "TG18-LN12-01 Pattern",
  "version" : "01"
}