6A21.0

ICD-11 MMS 2026-01

Schizoaffective disorder, first episode

Description

Schizoaffective disorder, first episode should be used to identify individuals experiencing symptoms that meet the diagnostic requirements for Schizoaffective disorder (including duration) but who have never before experienced an episode during which diagnostic requirements for Schizoaffective disorder or Schizophrenia were met.

Exclusions from above levels

  • QE62 – Uncomplicated bereavement
  • QE84 – Acute stress reaction

Child codes

  • 6A21.00 – Schizoaffective disorder, first episode, currently symptomatic
  • 6A21.01 – Schizoaffective disorder, first episode, in partial remission
  • 6A21.02 – Schizoaffective disorder, first episode, in full remission
  • 6A21.0Z – Schizoaffective disorder, first episode, unspecified

Sibling codes

  • 6A21.1 – Schizoaffective disorder, multiple episodes
  • 6A21.2 – Schizoaffective disorder, continuous
  • 6A21.Y – Other specified schizoaffective disorder
  • 6A21.Z – Schizoaffective disorder, unspecified

Foundation entity

Schizoaffective disorder, first episode – http://id.who.int/icd/entity/967849782

Allowed postcoordination axes

Part of: 6A21: Schizoaffective disorder › 06: Mental, behavioural or neurodevelopmental disorders