• International Classification of Diseases (ICD)
• International Classification of Diseases for Oncology (ICD-O)
• National Interim Clinical Imaging Procedure Code Set (NICIP Code Set)
• NHS dictionary of medicines and devices (dm+d)
• OPCS Classification of Interventions and Procedures
• Read Coded Clinical Terms
• SNOMED CT®
• SNOMED CT Refset

Requests for Change:

• Change requests for CLINICAL TERMINOLOGY CODES and CLINICAL CLASSIFICATION CODES released by NHS England should be made through the Request Submission Portal on the NHS England website at: Welcome to the Request Submission Portal.
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• Requests for medicines or devices terminologies should be made via the Service Desk at: information.standards@nhs.net.