{
  "package" : "hl7.fhir.r4.core@4.0.1",
  "definition" : "A phantom used for CTDI measurement in head modes according to IEC 60601-2-44, Ed.2.1 (Head 16 cm diameter Polymethyl methacrylate PMMA)",
  "system" : "http://dicom.nema.org/resources/ontology/DCM",
  "property" : [ ],
  "codesystem" : "edcf6828-b2c8-5028-b7f7-246cb8d5ac80",
  "concept_id" : "79e05b2c-1a3c-5336-977f-3d184452f99a",
  "ancestors" : {
    "113690" : 0
  },
  "id" : "e14a5c3a-aa06-46b2-baed-db4827cc3e74",
  "code" : "113690",
  "display" : "IEC Head Dosimetry Phantom",
  "version" : "01"
}