{
  "package" : "hl7.fhir.r4.core@4.0.1",
  "definition" : "Shifts of 17 or more hours.",
  "system" : "http://terminology.hl7.org/CodeSystem/v3-ObservationValue",
  "property" : [ {
    "_uri" : "http://hl7.org/fhir/concept-properties#parent",
    "code" : "parent",
    "_implicit" : true,
    "valueCode" : "_WorkSchedule"
  } ],
  "codesystem" : "ec013d25-2aca-5859-85ca-8417fa535d67",
  "concept_id" : "dfcba43f-63bc-521e-8323-a67babad76eb",
  "ancestors" : {
    "VLS" : 0,
    "_WorkSchedule" : 1
  },
  "id" : "26130f69-972e-47d4-a450-c53b3fd3642b",
  "code" : "VLS",
  "display" : "very long shift",
  "version" : "2018-08-12"
}