{
  "package" : "hl7.terminology.r4@6.3.0",
  "definition" : "variable represents a reference exposure.",
  "system" : "http://terminology.hl7.org/CodeSystem/variable-role-subtype",
  "property" : [ ],
  "codesystem" : "0bc430a2-5f09-549f-92b9-969078348722",
  "concept_id" : "fe545395-faaf-5347-ad3b-f4c251fe3b57",
  "ancestors" : {
    "referenceExposure" : 0
  },
  "id" : "2025f606-26e9-4c94-b85e-97749c31382a",
  "code" : "referenceExposure",
  "display" : "reference exposure",
  "version" : "1.0.0"
}