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DIAGNOSTIC AND STATISTICAL MANUAL OF MENTAL DISORDERS

Fourth Edition - American Psychiatric Association, 1994 (DSM-IV™)

DIAGNOSTIC CRITERIA FOR ATTENTION-DEFICIT / HYPERACTIVITY DISORDER (AD/HD)

A. EITHER (1) or (2)

(1) six (or more) of the following symptoms of inattention have persisted for at least 6 months to a degree that is maladaptive and inconsistent with developmental level:

1. Inattention
2. Often fails to give close attention to details or makes careless mistakes in schoolwork, work or other activities.
3. Often has difficulty sustaining attention in tasks or play activities
4. Often does not seem to listen when spoken to directly
5. Often does not follow through on instructions and fails to finish schoolwork, chores or duties in the workplace (not due to oppositional behavior or failure to understand instructions)
6. Often has difficulty organising tasks and activities
7. Often avoids, dislikes or is reluctant to engage in tasks that require sustained mental effort (such as schoolwork or homework)
8. Often loses things necessary for tasks or activities (e.g., toys, school assignments, pencils, books, or tools)
9. Is often easily distracted by extraneous stimuli
10. Is often forgetful in daily activities

(2) six (or more), of the following symptoms of hyperactivity-impulsivity have persisted for at least 6 months to a degree that is maladaptive and inconsistent with developmental level :

1. Hyperactivity
2. Often fidgets with hands or feet or squirms in seat
3. Often leaves seat in classroom or in other situations in which remaining seated is expected Often runs about or climbs excessively in situations in which it is inappropriate (in adolescents or adults, may be limited to subjective feelings of restlessness)
4. Often has difficulty playing or engaging in leisure activities quietly
5. Is often 'on the go' or often acts as if 'driven by a motor'
6. Often talks excessively.
7. Impulsivity
8. Often blurts out answers before questions have been completed.
9. Often has difficulty awaiting turn.
10. Often interrupts or intrudes on others (e.g., butts into conversations or games)

B. Some hyperactive-impulsive or inattentive symptoms that caused impairment were present before the age of 7 years.

C. Some impairment from the symptoms is present in two or more settings (e.g., at school [or work] and at home).

D. There must be clear evidence of clinically significant impairment in social, academic or occupational functioning.

E. The symptoms do not occur exclusively during the course of a Pervasive Developmental Disorder, Schizophrenia, or other Psychotic Disorder, and are not better accounted for by another mental disorder (e.g. Mood Disorder, Anxiety Disorder, Dissociative Disorder or a Personality Disorder.

Code based on type:

F90.0 Attention-Deficit / Hyperactivity Disorder, Combined Type: if both Criteria A1 and A2 are met for the past 6 months

F98.8 Attention-Deficit / Hyperactivity Disorder, Predominantly Inattentive Type: if Criterion A1 is met but Criterion A2 is not met for the past 6 months

F90.0 Attention-Deficit / Hyperactivity Disorder, Predominantly Hyperactive-Impulsive Type: if Criterion A2 is met but Criterion A1 is not met for the past 6 months

Coding Note: For individuals (especially adolescents and adults) who currently have symptoms that no longer meet full criteria, 'In Partial Remission' should be specified

* Reprinted with permission from the Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition

© 1994 American Psychiatric Association