ADHD Assessment - Why it's Important to Get a Private ADHD Diagnosis A thorough ADHD assessment is important for anyone who thinks they may be suffering from undiagnosed ADHD. The process can last up to two sessions and it's best to bring an adult family member or a friend along. https://beauapljj.amoblog.com/15-pinterest-boards-that-are-the-best-of-all-time-about-adhd-diagnosis-uk-private-51316434