{
  "package" : "hl7.fhir.r4.core@4.0.1",
  "definition" : "Description: The school grade or level the patient was in when immunized.",
  "system" : "http://terminology.hl7.org/CodeSystem/v3-ActCode",
  "property" : [ {
    "_uri" : "http://hl7.org/fhir/concept-properties#parent",
    "code" : "parent",
    "_implicit" : true,
    "valueCode" : "_PatientImmunizationRelatedObservationType"
  } ],
  "codesystem" : "d73ae040-3e88-581f-8c74-bc9b7419407a",
  "concept_id" : "de168577-062b-53f4-94cd-dc832f0a7065",
  "ancestors" : {
    "GRADE" : 0,
    "_ObservationType" : 2,
    "_PatientImmunizationRelatedObservationType" : 1
  },
  "id" : "41fbf8dc-1862-474e-aa42-aa2a8284bc8a",
  "code" : "GRADE",
  "display" : "grade",
  "version" : "2018-08-12"
}