{
  "package" : "hl7.fhir.r5.core@5.0.0",
  "definition" : "Only concepts with a direct hierarchical relationship to the index code and no other concepts. This does not include the index code in the output.",
  "system" : "http://hl7.org/fhir/filter-operator",
  "property" : [ ],
  "codesystem" : "00ef8386-3f9b-5648-85d5-ec8426d16bec",
  "concept_id" : "c3c22f66-448d-5831-b728-2958c717de57",
  "ancestors" : {
    "child-of" : 0
  },
  "id" : "45433dba-0165-426f-9aa9-f938a7c0335c",
  "code" : "child-of",
  "display" : "Child Of",
  "version" : "5.0.0"
}