description: This extension applies to the AU eRequesting Diagnostic Request profile and any derived ServiceRequest profiles. The fasting precondition is a code that indicates the recommendation related to the fasting status of the patient as a precondition to the diagnostic procedure or test being requested.
package_name: rs/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'}
    type: uri
    index: 1
  value:
    choices: [valueCodeableConcept]
    index: 3
  valueCodeableConcept: {type: CodeableConcept, choiceOf: value, index: 4}
package_version: 0.4.0-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: 0.4.0-preview
required: [value, valueCodeableConcept]