{
  "package" : "hl7.fhir.r4.core@4.0.1",
  "definition" : "The 13th 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" : "22f3ca25-e3b5-5821-b8d7-6613b90d266f",
  "ancestors" : {
    "109835" : 0
  },
  "id" : "24c7537d-5442-406b-99c6-ee35a895035c",
  "code" : "109835",
  "display" : "TG18-LN12-13 Pattern",
  "version" : "01"
}