description: This extension applies to the ServiceRequest resource and is used to represent whether fasting is a recommended precondition for the diagnostic request. It conveys the requester's recommendation regarding fasting at the time of ordering, not the actual fasting status of the patient.
package_name: hl7.fhir.au.ereq
derivation: constraint
name: AUeRequestingFastingPrecondition
type: Extension
elements:
  extension: {index: 0}
  url:
    pattern: {type: Uri, value: 'http://hl7.org.au/fhir/ereq/StructureDefinition/au-erequesting-fastingprecondition'}
    index: 1
  value:
    choices: [valueCodeableConcept]
    index: 3
  valueCodeableConcept: {type: CodeableConcept, choiceOf: value, index: 4}
package_version: 1.0.0-preview
extensions: {}
class: extension
kind: complex-type
url: http://hl7.org.au/fhir/ereq/StructureDefinition/au-erequesting-fastingprecondition
base: http://hl7.org/fhir/StructureDefinition/Extension
version: 1.0.0-preview
required: [value, valueCodeableConcept]