{
  "package" : "hl7.fhir.r4.core@4.0.1",
  "definition" : "The AAPM TG18-LPV10 Pattern used to assess display resolution. This pattern has vertical bars consisting of alternating single-pixel-wide lines across the faceplate of display. The lines have a 12% positive contrast against 10% background level of the maximum pixel value. See [AAPM OR 03]",
  "system" : "http://dicom.nema.org/resources/ontology/DCM",
  "property" : [ ],
  "codesystem" : "edcf6828-b2c8-5028-b7f7-246cb8d5ac80",
  "concept_id" : "99b65891-a4e1-524f-8743-423a3a0e5438",
  "ancestors" : {
    "109858" : 0
  },
  "id" : "e07b1282-c7aa-4d79-8693-783869cd5b01",
  "code" : "109858",
  "display" : "TG18-LPV10 Pattern",
  "version" : "01"
}