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**We are aware that users are unable to access our TRUD and Request Submission Portal websites. The NHS Digital ICT Service Team are currently working to restore these services as quickly as possible. Please bear with us as we work to resolve this issue**


Delen is NHS Digital’s specialist collaboration and information sharing platform for our national terminology and classifications standards. You will be able to find detailed content relating to: dm+d, ICD-10, ICD-11, OPCS-4 and SNOMED CT as well as links to useful resources that will help you to make best use of the standards. You will also be able to see collaborations that are taking place and find out about opportunities to collaborate with us on future developments.

We hope you find Delen useful and if you have any comments or suggestions for how we could improve it, please get in touch with us.

NHS Digital, Data and Technology Standards Consultation


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