{
  "observationResultRequirement": [ {
    "reference": "ObservationDefinition/observation-serum-sodium"
  }, {
    "reference": "ObservationDefinition/observation-serum-potassium"
  }, {
    "reference": "ObservationDefinition/observation-serum-chloride"
  } ],
  "description": "Na, K, Cl level measurements on serum or plasma",
  "_filename": "example/ActivityDefinition-procedure-serum-electrolyte.json",
  "package_name": "ch.fhir.ig.ch-lab-order",
  "date": "2020-02-11T14:00:00+02:00",
  "meta": {
    "profile": [ "http://hl7.org/fhir/uv/order-catalog/StructureDefinition/LabProcedureDefinition" ]
  },
  "publisher": "HL7 Switzerland",
  "jurisdiction": [ {
    "coding": [ {
      "code": "CH",
      "system": "urn:iso:std:iso:3166"
    } ]
  } ],
  "purpose": "This _ActivityDefinition_ specifies the input specimens and input and output observations for blood electrolyte.              It is referenced by any _PlanDefinition_ representing a lab service incorporating this procedure.",
  "name": "BloodElectrolyteProcedure",
  "copyright": "CC0-1.0",
  "type": null,
  "experimental": "true",
  "topic": [ {
    "coding": [ {
      "code": "18719-5",
      "system": "http://loinc.org",
      "display": "Chemistry studies (set)"
    } ]
  }, {
    "coding": [ {
      "code": "275711006",
      "system": "http://snomed.info/sct",
      "display": "Serum chemistry test (procedure)"
    } ]
  } ],
  "resourceType": "ActivityDefinition",
  "title": "Procedure - blood electrolyte (serum or plasma)",
  "package_version": "2.0.0",
  "status": "active",
  "language": "en-US",
  "id": "cda07704-a88c-4101-8462-e6d564b5c75f",
  "kind": "ServiceRequest",
  "url": "http://fhir.ch/ig/ch-lab-order/lab-compendium/ActivityDefinition/procedure-serum-electrolyte",
  "code": {
    "coding": [ {
      "code": "24326-1",
      "system": "http://loinc.org",
      "display": "Electrolytes 1998 panel - Serum or Plasma"
    } ]
  },
  "specimenRequirement": [ {
    "reference": "SpecimenDefinition/single-test-serum-venous"
  } ],
  "version": "2.0.0",
  "contact": [ {
    "name": "HL7 Switzerland",
    "telecom": [ {
      "value": "https://www.hl7.ch",
      "system": "url"
    } ]
  }, {
    "name": "Marcel Hanselmann",
    "telecom": [ {
      "use": "work",
      "value": "laborprojektgruppe@gmail.com",
      "system": "email"
    } ]
  } ],
  "effectivePeriod": {
    "end": "2020-12-25",
    "start": "2020-04-01"
  }
}