This database holds the current maps, for the full data files of the maps please subscribe to and download the “NHS Data Migration” content from TRUD. The maps are those provided in the April 2018 release (updated in June 2018) of SNOMED CT and Data Migration Maps.

You can use a v2 ReadCode, TermCode or Term30 search string to find the mapped SNOMED CT codes and term.

Please Note: Searches are not case sensitive to aid finding appropriate content.

Information on the withdrawal of Read v2 and CTV3 can be found here.

The v2 Term30 text displayed is always from the NHS England (UNIFIED) edition of READ2. Some 437 codes from READ2’s Chapter 9 Administration appear in both the NHS England (UNIFIED) and NHS Scotland (UNISCOT) editions but with different terms; only the NHS England edition Term30 text is displayed for these. A further 102 Chapter 9 codes are unique to the NHS Scotland (UNISCOT) edition and are not also found in the NHS England (UNIFIED) edition at all; no v2 Term30 text is currently shown for these.

If you would like to submit a query to us please visit the contact us page and select the area your query relates to. If you have any problems using the database or would like to provide feedback, please contact us via the helpdesk.

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