{
  "package" : "hl7.fhir.r4.core@4.0.1",
  "definition" : "Diastolic/Systolic velocity ratio",
  "system" : "http://dicom.nema.org/resources/ontology/DCM",
  "property" : [ ],
  "codesystem" : "edcf6828-b2c8-5028-b7f7-246cb8d5ac80",
  "concept_id" : "b2904fc3-7f8f-5c9d-b635-137f72214c83",
  "ancestors" : {
    "122218" : 0
  },
  "id" : "183e0ad6-7b36-460a-ac43-cb55d74dddcc",
  "code" : "122218",
  "display" : "Diastolic/Systolic velocity ratio",
  "version" : "01"
}