TRUD, UK Read

UK Read

UK Read Code Releases


Important Notice - Information on the withdrawal of Read v2 and CTV3 can be found here

Definitions for UKTC Products on TRUD


1. Status=Technology Preview – definition can be found here

2. Status=Draft for Trial Use – definition can be found here

3. Status=Supported Product – definition can be found here

4. Status=Legacy Product – definition can be found here

5. Status=Deprecated - definition can be found here

6. Status=Withdrawn - definition can be found here


All the above statuses are all explained in detail in this document http://systems.hscic.gov.uk/data/uktc/snomed/governance/lifecycle.pdf


Items available to subscribers

NHS UK Read Codes Clinical Terms Version 3

Important Notice - Information on the withdrawal of Read v2 and CTV3 can be found here


UK READ Codes Clinical Terms Version 3. If you require the cross mapping files, please download the relevant release from the UK READ Codes Clinical Terms Version 3, Cross Map Files pack.

Status:Deprecated with support


NHS UK Read Codes Clinical Terms Version 3, Cross Maps

Important Notice - Information on the withdrawal of Read v2 and CTV3 can be found here


UK READ Codes Clinical Terms Version 3, Cross Map Files. For all other CTV3 release files, from October 2015 onwards, please download releases from the main "UK READ Codes Clinical Terms Version 3" pack.

Status: Deprecated with support


NHS UK Read Codes Version 2

There are no future releases scheduled

Important Notice - Information on the retirement of Read v2 and CTV3 can be found here


Please note the last release of the Read v2 codes was on the 1st April 2016.

Status: Deprecated


NHS UK Read Pathology Bounded Code List (PBCL)

Important Notice - Information on the withdrawal of Read v2 and CTV3 can be found here


The Pathology Bounded Code List (PBCL) has been developed to provide a defined or bounded subset of Read codes for use in laboratory to GP messaging. Use of the PBCL ensures that there is common understanding by both sending and receiving clinicians of the laboratory investigations performed.

Status: Supported


NHS Read Browser

Important Notice - Information on the withdrawal of Read v2 and CTV3 can be found here


UK READ codes release data (all versions) in browsable form. This includes English and Scottish variations of the Tri set browser.

Status: Supported


NHS Data Migration

Important Notice - Information on the withdrawal of Read v2 and CTV3 can be found here


This release pack contains products intended to support the GP Summary Care Record, Systems of Choice and Data Migration programmes. The contents comprises of many:one "forward" crossmaps from the England and Scotland releases of READ2 to CTV3, from READ2 to SNOMED CT, and from CTV3 to SNOMED CT; many:one "backward" crossmaps from CTV3 to READ 2; tables assigning NHS Care Record Elements to all READ2, CTV3 and SNOMED CT codes. These mapping tables are distributed in a non-standard file format, together with supporting documentation. The pack also includes experimental SNOMED CT Navigational Subsets by which simulacra of the READ2 and CTV3 taxonomies may be recreated as views on the full SNOMED CT content.

Status: Supported


UKTC Historical Static Release Documentation

NHS READ and SNOMED CT static release documents. Please note, for current documents please download the relevant terminology release.


GP Summary Code Lists

Important Notice - Information on the withdrawal of Read v2 and CTV3 can be found here


GP Summary Inclusion Code Lists contains general practice terminology sets that contribute to the national Summary Care Record (SCR) in England. Content has been created through the SCR programme to support patient safety, care quality and preference in urgent and unscheduled care situations.

GP Summary Exclusion Code Lists contains general practice terminology sets that identify potentially sensitive data that will be excluded from emergency care summary records. The lists have been developed by Royal College of General Practitioners (RCGP) representatives from England, Northern Ireland, Scotland and Wales. They are approved by the RCGP Ethics Committee and Joint GP IT Committee and include codes relating to sexually transmitted disease, assisted fertilisation (including in vitro fertilisation), gender reassignment and termination of pregnancy.

The code lists are available in the following terminologies:

  • SNOMED CT
  • 5-byte Read Codes Version 2
  • Clinical Terms Version 3

Status: Technology Preview


Legally restricted patient confidential reference data

Important Notice - Information on the withdrawal of Read v2 and CTV3 can be found here


Part of the Legally Restricted patient confidential data change standard ISB 1572 Sensitive Data.

Includes the updated clinical code lists for In Vitro Fertilisation (IVF) and Sexually Transmitted Diseases (STD) across the following terminologies and classifications:

  • SNOMED CT
  • 5-byte Read Codes Version 2
  • Clinical Terms Version 3
  • ICD-10
  • OPCS 4

Status: Technology Preview


PBCL Read Code to SNOMED Code Translation Table

A set of map tables translating the Read codes in the PBCL EDIFACT laboratory report message to SNOMED codes to support transmission, reception, storage and retrieval of primary care pathology results.

Status: Technology Preview


The Read Codes Drug and Appliance Dictionary

UK READ Drugs Codes

Please note the last release of the Read Codes Drug and Appliance Dictionary was on the 1st April 2016. There are no further releases after this date and releases can no longer be downloaded from TRUD. If you need to download Read Codes Drug and Appliance Dictionary releases please can you contact the Information Standards Service Desk at information.standards@nhs.net with the subject ‘Access to Read Codes Drug and Appliance Dictionary - 3rd Line Request’


  • Available releases (0)
  • Scheduled releases (0)
  • Licences (0)