ADHD Assessment - Why it's Important to Get a Private ADHD Diagnosis Anyone who suspects they be suffering from ADHD but hasn't been diagnosed should get an ADHD assessment. The process can take up to two sessions, and it's best to bring an adult family member or a acquaintance along. https://ukpsychiatrist81670.qodsblog.com/29446120/5-laws-that-anyone-working-in-adhd-diagnosis-uk-private-should-know