{
  "package" : "hl7.terminology.r4@6.3.0",
  "definition" : "**Description:** Describes types of criteria used when making observations, conducting procedures, and substance administrations.\\r\\n\\r\\n**Examples:**\\r\\n\\r\\n *  medications\\r\\n *  immunizations",
  "system" : "http://terminology.hl7.org/CodeSystem/conceptdomains",
  "property" : [ {
    "code" : "source",
    "valueCode" : "v3"
  }, {
    "code" : "ConceptualSpaceForClassCode",
    "valueCoding" : {
      "code" : "ACT",
      "system" : "http://terminology.hl7.org/CodeSystem/v3-ActClass"
    }
  }, {
    "_uri" : "http://hl7.org/fhir/concept-properties#parent",
    "code" : "parent",
    "_implicit" : true,
    "valueCode" : "ActCode"
  }, {
    "_uri" : "http://hl7.org/fhir/concept-properties#child",
    "code" : "child",
    "_implicit" : true,
    "valueCode" : "ActProcedureEventCriteriaType"
  }, {
    "_uri" : "http://hl7.org/fhir/concept-properties#child",
    "code" : "child",
    "_implicit" : true,
    "valueCode" : "ActSubstanceAdministrationEventCriteriaType"
  }, {
    "_uri" : "http://hl7.org/fhir/concept-properties#child",
    "code" : "child",
    "_implicit" : true,
    "valueCode" : "ObservationEventCriteriaType"
  } ],
  "codesystem" : "33eb862a-4e29-55df-b067-9b9d45b786af",
  "concept_id" : "3687a89c-b8cb-5b31-b823-1d473881f0f0",
  "ancestors" : {
    "ActCode" : 1,
    "ActEventCriteriaType" : 0
  },
  "id" : "26a7e8be-b550-41af-bb3e-d984241f1d3d",
  "code" : "ActEventCriteriaType",
  "display" : "ActEventCriteriaType",
  "version" : "3.0.0"
}