6C90.1

ICD-11 MMS 2026-01

Oppositional defiant disorder without chronic irritability-anger

Description

Meets all definitional requirements for oppositional defiant disorder. This form of oppositional defiant disorder is not characterised by prevailing, persistent, angry or irritable mood, but does feature headstrong, argumentative, and defiant behaviour.

Exclusions from above levels

  • QE62 – Uncomplicated bereavement
  • QE84 – Acute stress reaction

Child codes

  • 6C90.10 – Oppositional defiant disorder without chronic irritability-anger with limited prosocial emotions
  • 6C90.11 – Oppositional defiant disorder without chronic irritability-anger with typical prosocial emotions
  • 6C90.1Z – Oppositional defiant disorder without chronic irritability-anger, unspecified

Sibling codes

  • 6C90.0 – Oppositional defiant disorder with chronic irritability-anger
  • 6C90.Z – Oppositional defiant disorder, unspecified

Foundation entity

Oppositional defiant disorder without chronic irritability-anger – http://id.who.int/icd/entity/736540987

Part of: 6C90: Oppositional defiant disorder › 06: Mental, behavioural or neurodevelopmental disorders