### Usage Notes

**Profile specific implementation guidance:**
- An international address can be represented using the core [Address](http://hl7.org/fhir/R4/datatypes.html#Address) data type.

**Potentially useful extensions:**
* Address.line: [Unit](http://hl7.org/fhir/R4/extension-iso21090-adxp-unitid.html)
* Address.line: [House Number](http://hl7.org/fhir/R4/extension-iso21090-adxp-housenumber.html)
* Address.line: [Street Name](http://hl7.org/fhir/R4/extension-iso21090-adxp-streetname.html)
* Address.line: [Street Name Type](http://hl7.org/fhir/R4/extension-iso21090-adxp-streetnametype.html)
* Address.line: [Street Name Base](http://hl7.org/fhir/R4/extension-iso21090-adxp-streetnamebase.html)