A.A repetitive and persistent pattern of behavior in which the basic rights of others or major age-appropriate societal norms or rules are violated, as manifested by the presence of three (or more) of the following criteria in the past 12 months, with at least one criterion present in the past six months:
Aggression to people and/or animals
1. Often bullies, threatens or intimidates others.
2. Often initiates physical fights.
3. Has used a weapon that can cause serious physical harm to others (e.g., a bat, brick, broken bottle, knife, gun).
4. Has been physically cruel to people.
5. Has been physically cruel to animals.
6. Has stolen while confronting a victim (e.g., mugging, purse snatching, extortion, armed robbery).
7. Has forced someone into sexual activity.
Destruction of property
1. Has deliberately engaged in fire setting with the intention of causing serious damage.
2. Has deliberately destroyed others' property (other than by fire setting).
Deceitfulness or theft
1. Has broken into someone else's house, building or car.
2. Often lies to obtain goods or favors or to avoid obligations (i.e., “cons” others).
3. Has stolen items of nontrivial value without confronting the victim (e.g., shoplifting, but without breaking and entering; forgery).
Serious violations of rules
1. Often stays out at night despite parental prohibitions, beginning before age 13 years.
2. Has run away from home overnight at least twice while living in a parental or parental surrogate home (or once without returning for a lengthy period).
3. Is often truant from school, beginning before age 13 years.
B.The disturbance in behavior causes clinically significant impairment in social, academic or occupational functioning.
C.If the individual is age 18 years or older, criteria are not met for antisocial personality disorder.
Specify severity:
Mild: few if any conduct problems in excess of those required to make the diagnosis, and conduct problems cause only minor harm to others.
Moderate: number of conduct problems and effect on others intermediate between “mild” and “severe.”
Severe: many conduct problems in excess of those required to make the diagnosis, or conduct problems cause considerable harm to others.