6A23.0

ICD-11 MMS 2026-01

Acute and transient psychotic disorder, first episode

Description

Acute and transient psychotic disorder, first episode should be used to identify individuals experiencing symptoms that meet the diagnostic requirements for acute and transient psychotic disorder but who have never before experienced a similar episode.

Exclusions from above levels

  • QE62 – Uncomplicated bereavement
  • QE84 – Acute stress reaction

Child codes

  • 6A23.00 – Acute and transient psychotic disorder, first episode, currently symptomatic
  • 6A23.01 – Acute and transient psychotic disorder, first episode, in partial remission
  • 6A23.02 – Acute and transient psychotic disorder, first episode, in full remission
  • 6A23.0Z – Acute and transient psychotic disorder, first episode, unspecified

Sibling codes

  • 6A23.1 – Acute and transient psychotic disorder, multiple episodes
  • 6A23.Y – Other specified acute and transient psychotic disorder
  • 6A23.Z – Acute and transient psychotic disorder, unspecified

Foundation entity

Acute and transient psychotic disorder, first episode – http://id.who.int/icd/entity/1471861706

Allowed postcoordination axes

Part of: 6A23: Acute and transient psychotic disorder › 06: Mental, behavioural or neurodevelopmental disorders