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