ADHD Assessment - Why it's Important to Get a Private ADHD Diagnosis Anyone who believes they may have ADHD but hasn't been diagnosed with it should undergo an ADHD assessment. The process can take between 2 and 3 sessions. It is best to bring a partner or a family member. https://cashasfrc.blogunok.com/29652941/10-things-you-ve-learned-in-kindergarden-to-help-you-get-started-with-adhd-diagnosis-uk-private