ADHD Assessment - Why it's Important to Get a Private ADHD Diagnosis Anyone who suspects they have ADHD but has not been diagnosed should seek an ADHD assessment. The process can last up to two sessions, and it's recommended to bring someone from the family or a close acquaintance along. https://paxtonfqxcg.creacionblog.com/29290824/10-inspiring-images-about-adhd-diagnosis-uk-private