Oppositional defiant disorder

International Classification of Diseases for Mortality and Morbidity Statistics, 11th Revision, v2024-01

Oppositional defiant disorder is a persistent pattern (e.g., 6 months or more) of markedly defiant, disobedient, provocative or spiteful behaviour that occurs more frequently than is typically observed in individuals of comparable age and developmental level and that is not restricted to interaction with siblings. Oppositional defiant disorder may be manifest in prevailing, persistent angry or irritable mood, often accompanied by severe temper outbursts or in headstrong, argumentative and defiant behaviour. The behaviour pattern is of sufficient severity to result in significant impairment in personal, family, social, educational, occupational or other important areas of functioning

sections/codes in this section (6C90-6C90)

• Oppositional defiant disorder with chronic irritability-anger  (6C90.0)
• Oppositional defiant disorder without chronic irritability-anger  (6C90.1)
• Oppositional defiant disorder, unspecified  (6C90.Z)

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