{
  "package" : "hl7.fhir.r4.examples@4.0.1",
  "definition" : "The AAPM TG18-NS89 Pattern is AAPM TG18-RV89/RH89 with only difference being the absence of the single line at the center of the measurement area. See [AAPM OR 03]",
  "system" : "http://dicom.nema.org/resources/ontology/DCM",
  "property" : [ ],
  "codesystem" : "5f336dd4-db81-5653-939a-25648922f08e",
  "concept_id" : "5122ecdf-d5dd-5d3b-8355-6b797da3db24",
  "ancestors" : {
    "109864" : 0
  },
  "id" : "5bbda4be-b23c-43ed-9845-d49765503dfb",
  "code" : "109864",
  "display" : "TG18-NS89 Pattern",
  "version" : "01"
}