94 Schizophrenia Spectrum and Other Psychotic Disorders
Brief Psychotic Disorder
Diagnostic Criteria 298.8 (F23)
A. Presence of one (or more) of the following symptoms. At least one of these must be
(1), (2), or (3):
1. Delusions.
2. Hallucinations.
3. Disorganized speech (e.g., frequent derailment or incoherence).
4. Grossly disorganized or catatonic behavior.
Note: Do not include a symptom if it is a culturally sanctioned response. 
B. Duration of an episode of the disturbance is at least 1 day but less than 1 month, with
eventual full return to premorbid level of functioning.
C. The disturbance is not better explained by major depressive or bipolar disorder with
psychotic features or another psychotic disorder such as schizophrenia or catatonia,
and is not attributable to the physiological effects of a substance (e.g., a drug of abuse,
a medication) or another medical condition.
Specify if:
With marked stressor(s)  (brief reactive psychosis): If symptoms occur in response to
events that, singly or together, would be markedly stressful to almost anyone in similar
circumstances in the individual’s culture.
Without marked stressor(s): If symptoms do not occur in response to events that,
singly or together, would be markedly stressful to almost anyone in similar circum-
stances in the individual’s culture.
With postpartum onset:  If onset is during pregnancy or within 4 weeks postpartum.
Specify if:
With catatonia  (refer to the criteria for catatonia associated with another mental dis-
order, pp. 119–120, for definition)
Coding note: Use additional code 293.89 (F06.1) catatonia associated with brief