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.
Attention deficit hyperactivity disorder (ADHD) is one of the most common childhood disorders and can continue through adolescence and adulthood.Symptoms include difficulty staying focused and paying attention, difficulty controlling behavior, and hyperactivity (over-activity).DHD is one of the most common childhood disorders and can continue through adolescence and into adulthood. The average age of onset is 7 years old. ADHD affects about 4.1% American adults age 18 years and older in a given year.