ADHD Assessment - Is it Right For You? A private assessment can take up to 2 hours, and includes a medical interview with a specialist in ADHD. It is helpful to bring along a family member or friend for support, but it's not required. The entire psychiatric history is assessed https://elliotfjbxr.sharebyblog.com/29741028/10-no-fuss-ways-to-figuring-out-your-adhd-assessment-uk-private