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Access the clinical classifications standards
Our download platform TRUD allows NHS Digital to license and distribute reference data. You will need to register for the download service and agree to the terms of associated licenses.
Requests changes to OPCS-4 via the request submission portal.
OPCS-4 Browser
The NHS Digital Classifications Browser allows you to browse and search OPCS-4.9 and OPCS-4.8 classification content and national clinical coding standards and guidance.
Last edited: 17 April 2020 1:34 pm