{
  "package" : "hl7.fhir.r4.core@4.0.1",
  "definition" : "Instant at which exercise begins",
  "system" : "http://dicom.nema.org/resources/ontology/DCM",
  "property" : [ ],
  "codesystem" : "edcf6828-b2c8-5028-b7f7-246cb8d5ac80",
  "concept_id" : "3d56ebbc-a25c-56a2-b1a6-6bbbfb3c4557",
  "ancestors" : {
    "125236" : 0
  },
  "id" : "0e450c1d-8e4d-4721-bee3-a7a37f5d389e",
  "code" : "125236",
  "display" : "Onset of exercise",
  "version" : "01"
}