{
  "package" : "hl7.terminology.r4@6.3.0",
  "definition" : "**Description:** Indicates the valid antigen count.",
  "system" : "http://terminology.hl7.org/CodeSystem/v3-ActCode",
  "property" : [ {
    "_uri" : "http://hl7.org/fhir/concept-properties#status",
    "code" : "status",
    "valueCode" : "active"
  }, {
    "_uri" : "http://terminology.hl7.org/CodeSystem/utg-concept-properties#v3-internal-id",
    "code" : "internalId",
    "valueCode" : "23243"
  }, {
    "_uri" : "http://hl7.org/fhir/concept-properties#parent",
    "code" : "subsumedBy",
    "valueCode" : "_ImmunizationObservationType"
  } ],
  "codesystem" : "cbab4a87-49ca-5502-88d6-f33b5f07237f",
  "concept_id" : "7f1b43b7-3e8c-52c9-9541-97a6b62210c2",
  "ancestors" : {
    "OBSANTC" : 0,
    "_ObservationType" : 2,
    "_ImmunizationObservationType" : 1
  },
  "id" : "20b23d3d-315b-4501-9334-b45599dc0278",
  "code" : "OBSANTC",
  "display" : "antigen count",
  "version" : "9.0.0"
}