Attention Deficit Hyperactivity Disorder The Diagnostic and Statistical Manual lists three subtypes of Attention-Deficit/Hyperactivity Disorder. DSM-IV-TR 314.01 is considered the combined type, which means that six or more symptoms of both hyperactivity/impulsivity and inattention have persisted for at least six months. 1. DSM-IV-TR 314.01 is also considered the Predominantly Hyperactive/Impulsive type. This is used when…
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