{

"resourceType": "ActivityDefinition",
"id": "serum-zika-dengue-virus-igm",
"url": "http://example.org/ActivityDefinition/serum-zika-dengue-virus-igm",
"status": "draft",
"description": "Order Serum Zika and Dengue Virus IgM",
"relatedArtifact": [
  {
    "type": "documentation",
    "display": "Explanation of diagnostic tests for Zika virus and which to use based on the patient’s clinical and exposure history.",
    "url": "http://www.cdc.gov/zika/hc-providers/diagnostic.html"
  },
  {
    "type": "derived-from",
    "resource": "ActivityDefinition/serum-dengue-virus-igm"
  }
],
"library": [
  "Library/zika-virus-intervention-logic"
],
"kind": "ServiceRequest",
"code": {
  "text": "Serum Zika and Dengue Virus IgM"
},
"timingTiming": {
  "_event": [
    {
      "extension": [
        {
          "url": "http://hl7.org/fhir/StructureDefinition/cqf-expression",
          "valueExpression": {
            "language": "text/cql",
            "expression": "Now()"
          }
        }
      ]
    }
  ]
},
"participant": [
  {
    "type": "practitioner"
  }
]

}