{
  "package" : "hl7.fhir.r4.examples@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" : "5f336dd4-db81-5653-939a-25648922f08e",
  "concept_id" : "79e05b2c-1a3c-5336-977f-3d184452f99a",
  "ancestors" : {
    "113690" : 0
  },
  "id" : "00cae790-f142-4c77-87e7-7b00b0548083",
  "code" : "113690",
  "display" : "IEC Head Dosimetry Phantom",
  "version" : "01"
}