{description: Laboratories  populate this field to set timing for request to pre-operative or Timing critical., package_name: ca.on.oh, name: RequestTiming, type: null, package_version: olis-2.0.0-0.0.1, class: unknown, kind: null, url: 'http://ehealthontario.ca/fhir/ValueSet/ca-on-lab-request-timing-codes', version: 1.0.0}