So, just out of curiosity, what does a score above 40 mean? by Maud | September 30th, 2003 Courtesy of the NYU School of Medicine: 24 or greater. Highly likely to have ADHD.(Thanks to Annie at FIPNTRA for the link.) And all this time I thought I was merely suffering from a severe and undiagnosed case of OCD. Share this:TwitterFacebookTumblrMoreRedditPinterestEmailLinkedIn Comments are closed.