description: This profile defines a substance structure that localises core concepts, including terminology, for use in an Australian context. The purpose of this profile is to provide national level agreement on core localised concepts. This profile does not force conformance to core localised concepts. It enables implementers and modellers to make their own rules, i.e. [profiling](http://hl7.org/fhir/profiling.html), about how to support these concepts for specific implementation needs.
package_name: hl7.fhir.au.base
derivation: constraint
name: AUBaseSubstance
type: Substance
elements:
  code:
    binding: {strength: preferred, valueSet: 'https://healthterminologies.gov.au/fhir/ValueSet/substance-1'}
    index: 0
  ingredient:
    elements:
      substance:
        choices: [substanceCodeableConcept, substanceReference]
        index: 2
      substanceCodeableConcept: {type: CodeableConcept, choiceOf: substance, index: 3}
      substanceReference:
        type: Reference
        choiceOf: substance
        refers: ['http://hl7.org/fhir/StructureDefinition/Substance']
        index: 4
package_version: 4.2.1-preview
class: profile
kind: resource
url: http://hl7.org.au/fhir/StructureDefinition/au-substance
base: http://hl7.org/fhir/StructureDefinition/Substance
version: 4.2.1-preview