
### Usage Notes

**Profile specific implementation guidance:**

At least one of the following defined identifier types, known to this profile, **SHALL** be supplied:

* [AU HPI-I](https://hl7.org.au/fhir/4.1.0/StructureDefinition-au-hpii.html)
* [AU PBS Prescriber Number](https://hl7.org.au/fhir/4.1.0/StructureDefinition-au-pbsprescribernumber.html)
* [AU Care Agency Employee Identifier](https://hl7.org.au/fhir/4.1.0/StructureDefinition-au-careagencyemployeeidentifier.html)
* [AU Ahpra Registration Number](https://hl7.org.au/fhir/4.1.0/StructureDefinition-au-ahpraregistrationnumber.html)
