ADHD Assessment - Why it's Important to Get a Private ADHD Diagnosis Anyone who believes they may have ADHD but hasn't been diagnosed should get an ADHD assessment. The process can last up to two sessions and it is recommended to bring an adult family member or a friend along. https://devinzfrhl.blog2freedom.com/29723387/11-ways-to-completely-sabotage-your-adhd-diagnosis-uk-private