Patients have been able to set national data opt-outs since 25 May 2018. The service allows patients to set a national data opt-out or reverse a previously set opt-out. Previous type 2 opt-outs have been converted to national data opt-outs.
View the national data opt-out publication for statistics on the volumes of national data opt-outs.
Find out how the national data opt-out affects data released by NHS Digital, including a comparison using Hospital Episode Statistics.