National Data Opt-out Information

What is the national data opt-out (NDOO)? 

The NDOO system is where patients can record their right not to have their identifiable data shared for purposes not concerned with the provision of direct care. 

There were previously 2 types of data opt that were managed in primary care: 

Type 1 opt-out: medical records held at your GP Practice 

A patient can tell their GP practice that they do not want their confidential patient information held in their GP medical record to be shared for purposes other than your individual care. 

Type 1 opt-outs continue to be respected 

Type 2 opt-out: information held by NHS Digital (NHSD) 

A patient could tell a GP practice they did not want NHSD to share their confidential patient information that they collect from across the health and care service for purposes other than your individual care. 

The NDOO has replaced the type 2 opt-out. 

If you still wish to will need to record a national data opt-out that offers you a new way to prevent your confidential patient information from being used for research and planning.You can also find out more about the national data opt-out online at

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