{
  "package" : "hl7.fhir.r5.core@5.0.0",
  "definition" : "The time of initiation of the treatment",
  "system" : "http://hl7.org/fhir/evidence-variable-event",
  "property" : [ ],
  "codesystem" : "226c1761-ddf1-5a0a-bf5b-1ae51d67589a",
  "concept_id" : "d32beb33-a8d7-50ad-a5c1-26f607f7cecd",
  "ancestors" : {
    "treatment-start" : 0
  },
  "id" : "1c2246cf-0d64-45a1-9391-c5303546ff9f",
  "code" : "treatment-start",
  "display" : "Start of Treatment",
  "version" : "5.0.0"
}