{
  "package" : "hl7.fhir.r4.core@4.0.1",
  "definition" : "The date and time of the first occurrence of an event, such as the first use of a medication",
  "system" : "http://dicom.nema.org/resources/ontology/DCM",
  "property" : [ ],
  "codesystem" : "edcf6828-b2c8-5028-b7f7-246cb8d5ac80",
  "concept_id" : "a8bdc297-80e3-5283-9495-4e4dfc7e29b4",
  "ancestors" : {
    "111526" : 0
  },
  "id" : "147be22d-b454-44a2-b87b-86097deb9142",
  "code" : "111526",
  "display" : "DateTime Started",
  "version" : "01"
}