B. Simultaneous deficits in present adaptive functioning in at least two key areas.
C. Onset before 18 years of age.
Note: Mental Retardation alone is not a diagnosis.
B. Delays or abnormalities in at least one of the following areas with onset prior to age 3:
C. Not better accounted for by Rett's Disorder or Childhood Disintegrative Disorder.
B. Some impairment from item A symptoms appeared before age 7.
C. Some symptomatic impairment appears in at least two settings.
D. Obvious impairment in social, occupational, or academic functioning.
E. Not solely during Pervasive Developmental Disorder, Schizophrenia, or other Psychotic Disorder.
Note: Attention-Deficit/Hyperactivity Disorder alone is not a diagnosis (need specifier - Combined / Predominantly Inattentive / Predominantly Hyperactive-Impulsive / NOS type).