{
  "package" : "hl7.fhir.r4.core@4.0.1",
  "definition" : "The 2nd 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" : "b9e80f6b-5d72-5c38-bbec-c069f876c314",
  "ancestors" : {
    "109806" : 0
  },
  "id" : "a9ed290f-578c-4aae-aa4c-73522c1a78c0",
  "code" : "109806",
  "display" : "TG18-LN8-02 Pattern",
  "version" : "01"
}