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SNOMED CT UK Edition

Read more about SNOMED CT and derivative products on Delen.

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

Items in this category Jump to summaries

SNOMED CT UK Clinical Edition Cross-map Historical Files, RF2: Full

SNOMED CT UK Clinical Edition, RF2: Delta

SNOMED CT UK Clinical Edition, RF2: Full, Snapshot & Delta

SNOMED CT UK Drug Extension, RF2: Delta

SNOMED CT UK Drug Extension, RF2: Full, Snapshot & Delta

SNOMED CT UK Monolith Edition, RF2: Snapshot

SNOMED CT UK test releases

News for this category

Changes to NHSBSA dm+d and the SNOMED CT UK Drug Extension in 2023

To improve alignment of NHSBSA dm+d and SNOMED CT UK Drug Extension content and release cycles, changes will be made to both terminologies in 2023.

Read more on the UK Medicines Terminology Futures pages on the NHS Digital website. Proposed timescales are subject to change, so visit these pages regularly for updates.

Email questions or feedback to nhsdigital.ukmeds@nhs.net.


20 December 2022 10:21 am

Item summaries

SNOMED CT UK Clinical Edition Cross-map Historical Files, RF2: Full

Retired cross-map RF2 files, Full release type only.

There is a release per retired cross-map containing the extended map reference set release file and associated documentation.

The data contained within the releases are for reporting or data warehousing - the maps should not be used for live data processing. Active cross-maps can be found in the main Clinical Edition RF2 releases.

Status: Supported Product


  • Releases (5)
  • Licences (3)

SNOMED CT UK Clinical Edition, RF2: Delta

SNOMED CT UK Clinical Edition in Release Format 2 (RF2), release type Delta only.

Releases of the UK Clinical Extension and the International release. Each release also includes refsets, cross-maps and added-value files.

Release type Delta provides only the changes between this and the last release, including any new components.

Find SNOMED CT UK Clinical Extension release documentation and SNOMED CT UK Edition product information on Delen.

Status: Supported Product

The format of these releases has changed

Read more on the SNOMED CT Releases: Important Notices & Known Issues page on Delen.


  • Releases (29)
  • Licences (3)

SNOMED CT UK Clinical Edition, RF2: Full, Snapshot & Delta

SNOMED CT UK Clinical Edition in Release Format 2 (RF2) - all release types.

Releases of the UK Clinical Extension and the International release. Each release also includes refsets, cross-maps and added-value files.

All RF2 release types – Full, Snapshot and Delta – are included.

Find SNOMED CT UK Clinical Extension release documentation and SNOMED CT UK Edition product information on Delen.

Status: Supported Product

The format of these releases has changed

Read more on the SNOMED CT Releases: Important Notices & Known Issues page on Delen.


  • Releases (29)
  • Licences (3)

SNOMED CT UK Drug Extension, RF2: Delta

SNOMED CT UK Drug Extension in Release Format 2 (RF2), release type Delta only.

RF2 release type Delta, drug-only refsets and added-value files are included in each release.

Find SNOMED CT UK Drug Extension release documentation and SNOMED CT UK Edition product information on Delen.

These releases do not include the UK Clinical Extension or International release.

Status: Supported Product

The format of these releases has changed

Read more on the SNOMED CT Releases: Important Notices & Known Issues page on Delen.


  • Releases (52)
  • Licences (1)

SNOMED CT UK Drug Extension, RF2: Full, Snapshot & Delta

SNOMED CT UK Drug Extension in Release Format 2 (RF2), all release types.

All RF2 release types (Full, Snapshot and Delta), drug-only refsets and added-value files are included in each release.

Find SNOMED CT UK Drug Extension release documentation and SNOMED CT UK Edition product information on Delen.

These releases do not include the UK Clinical Extension or International release.

Status: Supported Product

The format of these releases has changed

Read more on the SNOMED CT Releases: Important Notices & Known Issues page on Delen.


  • Releases (52)
  • Licences (1)

SNOMED CT UK Monolith Edition, RF2: Snapshot

An integrated, fully merged release of the SNOMED CT UK Clinical Extension, the UK Drug Extension, the UK Pathology Extension and the International Edition as a single set of files in Release Format 2 (RF2).

The merged tables have been post-processed to resolve the duplicates and conflicts that occur across snapshots when they are distributed separately.

Find supporting documentation for the UK extensions on Delen:

  • SNOMED CT UK Clinical Extension Release Documentation
  • SNOMED CT UK Drug Extension Release
  • Unified Test List (UTL)

Status: Draft for Trial Use


  • Releases (14)
  • Licences (3)

SNOMED CT UK test releases

Releases of new or updated terminology and classification products, or their derivatives, in draft, beta, preview and proof-of-concept form.

These releases give implementors and suppliers previews of updates and developments.

Materials made available here are for evaluation only and might never transition to production versions.

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

Status: Technology Preview


  • Releases (36)
  • Licences (4)

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