OPCS-4 data files

These files are for NHS information departments and NHS system suppliers to upload to patient administration systems (PAS). They also help data analysts compare data collected using the current and previous versions of OPCS-4.

These files are not designed for training use.

For implementation guidance and resources, see the OPCS-4 page on Delen.

Email questions or feedback to information.standards@nhs.net.

OPCS-4 is an NHS approved and mandated information standard:
DAPB0084: OPCS Classification of Interventions and Procedures

Releases of this item

OPCS-4.11 data files

This release is for use from 1 April 2026 until further notice and contains:

Codes and Titles in TXT format
Metadata in TXT format
Metadata specification in PDF format
Table of Coding Equivalences in XLSX format
Table of Coding Equivalences specification in PDF format
Summary of changes from OPCS-4.10 to OPCS-4.11 in PDF format

Released on 10 November 2025.

OPCS-4.11 data files in XML format

This release is for use from 1 April 2026 until further notice and contains:

Codes and Titles in XML format
Metadata in XML format
Table of Coding Equivalences in XML format
XML Schema

Released on 10 November 2025.

OPCS-4.10 data files

This release is for use between 1 April 2023 and 31 March 2026, and contains:

Codes and Titles in TXT format
Metadata in TXT format
Metadata specification in PDF format
Table of Coding Equivalences in XLSX format
Table of Coding Equivalences specification in PDF format
Summary of changes from OPCS-4.9 to OPCS-4.10 in PDF format

Released on 1 November 2022.

OPCS-4.10 data files in XML format

This release is for use between 1 April 2023 and 31 March 2026, and contains:

Codes and Titles in XML format
Metadata in XML format
Table of Coding Equivalences in XML format
XML Schema

Released on 1 November 2022.

OPCS-4.9 data files

This release is for use between 1 April 2020 and 31 March 2023, and contains:

Codes and Titles in TXT format
Metadata in TXT format
Metadata specification in PDF format
Table of Coding Equivalences in XLS format
Table of Coding Equivalences specification in PDF format
Summary of changes from OPCS-4.8 to OPCS-4.9 in PDF format

Released on 4 November 2019.

OPCS-4.9 data files in XML format