{
  "package" : "hl7.terminology.r5@6.3.0",
  "definition" : "variable represents a reference exposure.",
  "system" : "http://terminology.hl7.org/CodeSystem/variable-role",
  "property" : [ ],
  "codesystem" : "cd91e462-d0bf-58c8-a87c-950ce02e4509",
  "concept_id" : "fe545395-faaf-5347-ad3b-f4c251fe3b57",
  "ancestors" : {
    "referenceExposure" : 0
  },
  "id" : "079e9e00-3fa5-4482-be01-bce31e44b273",
  "code" : "referenceExposure",
  "display" : "reference exposure",
  "version" : "2.0.0"
}