ICD-11 Criteria for Acute and Transient Psychotic Disorder (6A23)
It characterises acute and transient psychotic disorder 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).
6A23.0 Acute
and transient psychotic disorder, first episode
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.
6A23.00 Acute
and transient psychotic disorder, first episode, currently symptomatic
All definitional requirements for
Acute and transient psychotic disorder, first episode in terms of symptoms and
duration are currently met, or have been met within the past one month.
6A23.01 Acute
and transient psychotic disorder, first episode, in partial remission
All definitional requirements for
Acute and transient psychotic disorder, first episode in terms of symptoms and
duration were previously met. Symptoms have ameliorated such that the
diagnostic requirements for the disorder have not been met for at least one
month, but some clinically significant symptoms remain, which may or may not be
associated with functional impairment. The partial remission may have occurred
in response to medication or other treatment.
6A23.02 Acute
and transient psychotic disorder, first episode, in full remission
All definitional requirements for
Acute and transient psychotic disorder, first episode in terms of symptoms and
duration were previously met. Symptoms have ameliorated such that no
significant symptoms remain. The remission may have occurred in response to medication
or other treatment.
6A23.0Z Acute
and transient psychotic disorder, first episode, unspecified
6A23.1 Acute
and transient psychotic disorder, multiple episodes
Acute and transient psychotic
disorder, multiple episodes should be used to identify individuals experiencing
symptoms that meet the diagnostic requirements for acute and transient
psychotic disorder and who have experienced similar episodes in the past.
6A23.10 Acute
and transient psychotic disorder, multiple episodes, currently symptomatic
All definitional requirements for
Acute and transient psychotic disorder, multiple episodes in terms of symptoms
and duration are currently met, or have been met within the past one month.
6A23.11 Acute
and transient psychotic disorder, multiple episodes, in partial remission
All definitional requirements for
Acute and transient psychotic disorder, multiple episodes in terms of symptoms
and duration were previously met. Symptoms have ameliorated such that the
diagnostic requirements for the disorder have not been met for at least one
month, but some clinically significant symptoms remain, which may or may not be
associated with functional impairment. The partial remission may have occurred
in response to medication or other treatment.
6A23.12 Acute
and transient psychotic disorder, multiple episodes, in full remission
All definitional requirements for
Acute and transient psychotic disorder, multiple episodes in terms of symptoms
and duration were previously met. Symptoms have ameliorated such that no significant
symptoms remain. The remission may have occurred in response to medication or
other treatment.
- 6A23.1Z Acute and transient psychotic disorder, multiple episodes, unspecified
- 6A23.Y Other specified acute and transient psychotic disorder
- 6A23.Z Acute and transient psychotic disorder, unspecified
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ICD-11 is licensed under the Creative Commons Attribution-NoDerivs 3.0 IGO license (CC BY-ND 3.0 IGO, or the “ICD-11 License”) available at: https://creativecommons.org/licenses/by-nd/3.0/igo/).
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