{
  "package" : "hl7.fhir.r4.core@4.0.1",
  "definition" : "In the case of 'substitution', indicates that the substitution occurred because the ordered item was not in stock.  In the case of 'no substitution', indicates that a cheaper equivalent was not substituted because it was not in stock.",
  "system" : "http://terminology.hl7.org/CodeSystem/v3-ActReason",
  "property" : [ {
    "_uri" : "http://hl7.org/fhir/concept-properties#parent",
    "code" : "parent",
    "_implicit" : true,
    "valueCode" : "_SubstanceAdminSubstitutionReason"
  } ],
  "codesystem" : "eb6e9d71-f508-5fd3-a488-c4598109efc0",
  "concept_id" : "6b871375-dd5a-5c85-b3d5-bb38f76a125c",
  "ancestors" : {
    "OS" : 0,
    "_SubstanceAdminSubstitutionReason" : 1
  },
  "id" : "c919d939-026d-4b69-a34d-d1c7d4a509e8",
  "code" : "OS",
  "display" : "out of stock",
  "version" : "2018-08-12"
}