There is no specific test for ADHD . Making a diagnosis will likely involve: Medical examination , to rule out other possible causes of the symptoms Establishing if there is a family history of ADHD or other mental health disorders Discussions on the following: When the symptoms started Where the symptoms occurred How the symptoms affect your child's and your family's day-to-day life If there have been significant events in your family, such as death or divorce Health professionals may also administer specific screening questionnaires to aid in diagnosis.