The Cost of Private ADHD Assessments The public is becoming aware of ADHD because of the celebrity appearances of Sue Perkins and Nadia Sawalha. However, long NHS waiting periods leave some people in a vulnerable situation. Some even have to pay for private treatment. In the UK It is possible https://telegra.ph/What-Makes-The-Private-Diagnosis-Of-ADHD-So-Effective-For-COVID-19-06-10