{
  "package" : "hl7.fhir.r4.examples@4.0.1",
  "definition" : "Mitral valve area (cm2) by Pressure Half-time = 220 (cm2.ms) / PHT (ms)",
  "system" : "http://dicom.nema.org/resources/ontology/DCM",
  "property" : [ ],
  "codesystem" : "5f336dd4-db81-5653-939a-25648922f08e",
  "concept_id" : "fa98829b-540c-5ec5-b727-2e6f202b9179",
  "ancestors" : {
    "125210" : 0
  },
  "id" : "efbe0b5e-16c0-49dc-adb3-714c724fffa3",
  "code" : "125210",
  "display" : "Area by Pressure Half-Time",
  "version" : "01"
}