{
  "observationResultRequirement": [ {
    "reference": "ObservationDefinition/example-observation-serum-potassium"
  } ],
  "description": "Potassium measurement procedure on in-vitro serum specimen",
  "_filename": "example/ActivityDefinition-example-lab-procedure-potassium-serum.json",
  "package_name": "hl7.fhir.uv.order-catalog",
  "date": "2020-01-24T14:00:00+02:00",
  "meta": {
    "profile": [ "http://hl7.org/fhir/uv/order-catalog/StructureDefinition/LabProcedureDefinition" ]
  },
  "publisher": "HL7 International - Orders and Observations Work Group",
  "jurisdiction": [ {
    "coding": [ {
      "code": "001",
      "system": "http://unstats.un.org/unsd/methods/m49/m49.htm"
    } ]
  } ],
  "observationRequirement": [ {
    "reference": "ObservationDefinition/example-input-observation-reason-for-ordering"
  } ],
  "purpose": "This _ActivityDefinition_ specifies the input specimens and observations needed to perform potassium level test on serum, and the output observation.                  It is referenced by any _PlanDefinition_ representing a lab service focusing on this test.",
  "name": "PotassiumSerumMeasurementProcedure",
  "type": null,
  "experimental": "true",
  "topic": [ {
    "coding": [ {
      "code": "166312007",
      "system": "http://snomed.info/sct",
      "display": "Blood chemistry"
    } ]
  } ],
  "resourceType": "ActivityDefinition",
  "title": "Procedure - potassium measurement on in vitro blood serum",
  "package_version": "0.1.0",
  "timingDuration": {
    "code": "mn",
    "unit": "minutes",
    "value": 30,
    "system": "http://unitsofmeasure.org"
  },
  "priority": "routine",
  "status": "draft",
  "language": "en-US",
  "id": "148382b1-7747-4c3e-a7f0-8bea2d033837",
  "kind": "ServiceRequest",
  "url": "http://hl7.org/fhir/uv/order-catalog/ActivityDefinition/example-lab-procedure-potassium-serum",
  "code": {
    "coding": [ {
      "code": "2823-3",
      "system": "http://loinc.org",
      "display": "Potassium [Moles/volume] in Serum or Plasma"
    } ]
  },
  "identifier": [ {
    "use": "official",
    "value": "K_serum_test"
  } ],
  "version": "0.1.0",
  "contact": [ {
    "telecom": [ {
      "value": "http://hl7.org/Special/committees/orders",
      "system": "url"
    } ]
  } ],
  "effectivePeriod": {
    "end": "2020-12-25",
    "start": "2020-04-01"
  }
}