How to Get an ADHD Private Diagnosis A private ADHD diagnosis can have a significant impact on your personality, outlook and plans. However, it's not as easy as just booking an assessment. Doctors are not able to diagnose ADHD. They will only refer you to a specialist for an assessment. https://telegra.ph/The-10-Most-Dismal-ADHD-Private-Assessment-Mistakes-Of-All-Time-Could-Have-Been-Prevented-12-17