Medicare payer. The first digit of each code is the organization that provides the funds. for the care; additional digits provide more information about the specifics of the plan or. mechanism through which these funds are provided.
Attention deficit hyperactivity disorder: A disorder in which a person is unable to control behavior due to difficulty in processing neural stimuli, accompanied by an extremely high level of motor activity.
ADHD: A Primer for Parents and. Educators. BY ANNE M. HOWARD, PHD, Chicago School of Professional Psychology, IL. STEVEN LANDAU, PHD, Illinois State University, Normal. Attention deficit hyperactivity disorder (ADHD) is a complex disorder characterized by three core. symptoms of inattention, impulsivity, and hyperactivity.