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NHS Number: information for staff

The NHS Number is the only national unique patient identifier in operation in the NHS.

Using the NHS Number makes it possible to share patient information safely, efficiently and accurately across NHS organisations.

History of the NHS Number

Developed in the last decade to support unique patient identification within the NHS.

NHS Number standards

NHS Number Operational Information Standards for the complete adoption of the NHS Number.

Implementation Guidance

Download either the full guidance, section by section, or a text version, plus guidance FAQs.

Communication materials & documents

To download or order, including appendices for General Practice Standards.