6A23 Acute and transient psychotic disorder
International Classification of Diseases for Mortality and Morbidity Statistics, 11th Revision, v2022-02
Acute and transient psychotic disorder is characterised by acute onset of psychotic symptoms that emerge without a prodrome and reach their maximal severity within two weeks. Symptoms may include delusions, hallucinations, disorganisation of thought processes, perplexity or confusion, and disturbances of affect and mood. Catatonia-like psychomotor disturbances may be present. Symptoms typically change rapidly, both in nature and intensity, from day to day, or even within a single day. The duration of the episode does not exceed 3 months, and most commonly lasts from a few days to 1 month. The symptoms are not a manifestation of another medical condition (e.g. a brain tumour) and are not due to the effect of a substance or medication on the central nervous system (e.g. corticosteroids), including withdrawal (e.g. alcohol withdrawal).
sections/codes in this section (6A23-6A23)
- Acute and transient psychotic disorder, first episode (6A23.0)
- Acute and transient psychotic disorder, multiple episodes (6A23.1)
- Other specified acute and transient psychotic disorder (6A23.Y)
- Acute and transient psychotic disorder, unspecified (6A23.Z)
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