AddressType
The type of an address (physical / postal)
This code system http://hl7.org/fhir/address-type defines the following codes:
| Code | Display | Definition |
| postal | Postal | Mailing addresses - PO Boxes and care-of addresses. |
| physical | Physical | A physical address that can be visited. |
| both | Postal & Physical | An address that is both physical and postal. |