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Terminology products

NHS Digital is responsible for the UK management of SNOMED CT, the Read Codes and other products to support the implementation of terminology, including tools and derivative products.

NHS Digital maintains the NHS Dictionary of Medicines and Devices (dm+d) in partnership with the NHS Business Service Authority.

As part of the national strategy to move to a single terminology across health and care, NHS Digital is in the process of withdrawing the Read Codes. The Standardisation Committee for Care gave notice in December 2014 of this planned withdrawal. Read more on the retirement of Read Version 2 and Clinical Terms Version 3.

News and release notices

SNOMED CT human-readable subset - UK Drug Extension

A new release of item SNOMED CT human-readable subset - UK Drug Extension is available.


14 May 2025 6:00am

SNOMED CT UK Query Table and History Substitution Table

A new release of item SNOMED CT UK Query Table and History Substitution Table is available.


14 May 2025 6:00am

UK Drug bonus files

A new release of item UK Drug bonus files is available.


14 May 2025 6:00am

SNOMED CT UK Monolith Edition, RF2: Snapshot

A new release of item SNOMED CT UK Monolith Edition, RF2: Snapshot is available.


14 May 2025 6:00am

SNOMED CT UK Drug Extension, RF2

New releases are available:

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

14 May 2025 6:00am

Read older news and release notices in the news archive.

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