{
  "package" : "hl7.fhir.r4.core@4.0.1",
  "definition" : "The AAPM TG18-CX Pattern used to assess display resolution and resolution uniformity. See [AAPM OR 03]",
  "system" : "http://dicom.nema.org/resources/ontology/DCM",
  "property" : [ ],
  "codesystem" : "edcf6828-b2c8-5028-b7f7-246cb8d5ac80",
  "concept_id" : "fc59c792-08d4-5bab-9fb3-31240800eaf4",
  "ancestors" : {
    "109854" : 0
  },
  "id" : "c67d719f-8349-47ee-ba78-7b32c6c91e7b",
  "code" : "109854",
  "display" : "TG18-CX Pattern",
  "version" : "01"
}