Core information standard: CORE INFORMATION STANDARD IMPLEMENTATION GUIDANCE
3.1 Person demographics
This section contains the person’s demographic and contact details including key identifiers (e.g. name, date of birth, NHS number, address etc.
- NHS number (or equivalent, e.g. CHI number in Scotland), is likely to be the primary identifier however existing national guidance should be followed, including how to handle patients without an NHS number, for example, overseas visitors.
- The PDS (Personal Demographics Service) should be used as the source of this information. The mandatory information in this section is person’s name, date of birth and address. There can be multiple addresses associated with a person including temporary and correspondence addresses.
- To improve the accuracy of the organ and tissue donation element systems should link directly to the organ donation register where possible.
Page last updated: 06 January 2026