This document specifies a numbering system and registration procedure for identifying both healthcare application providers and health card holders in order to exchange information through the use of cards issued for healthcare services.

This document focuses on the machine-readable cards of ID-1 type defined in ISO/IEC 7810 that are issued for healthcare services provided in a service area that crosses the national borders of two or more countries/areas.

This document applies to healthcare data cards where the issuer and the application provider are the same party.

This document applies directly, or refers, to existing International Standards for physical characteristics and recording techniques. Security issues follow the requirements of each healthcare data card system.