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://private-mental-healthcare04031.humor-blog.com/28751826/15-startling-facts-about-adhd-diagnosis-private-that-you-d-never-been-educated-about