First episode (acute episode, partial remission or full
remission)
Multiple episodes (acute episode, partial remission or full
remission)
Continuous
Unspecified
Severity
Brief Psychotic Disorder
Symptoms
A. 1+ of delusions, hallucinations or disorganised speech.
Disorganised or catatonic behaviour may also be present.
Duration
B. Longer than 1 day, less than 1 month
Function
B. Full return to premorbid functioning
Exclusions
C. Schizophrenia criteria is not met
C. Not better explained by affective disturbance with psychotic
features
C. Not organic or substance-induced
Specifier
Stressors: with (ie. reactive psychosis) or without
Peripartum onset: starts during pregnancy or within 4 weeks
postpartum
Catatonia
Severity
Schizophreniform Disorder
Symptoms
A. 2+ of delusions, hallucinations, disorganised speech, grossly
disorganised/catatonic behaviour or negative symptoms. One of first 3
must be present.
Duration
B. Longer than 1 month, less than 6 months. “Provisional” if
awaiting recovery.
Exclusions
C. Schizoaffective or affective disturbance criteria is not met due
to nil or minor presence of mood symptoms during active-phase
symptoms
D. Not organic or substance-induced
Specifiers
Prognostic factors:
Good: 2+ of onset of psychosis within 4 weeks of behavioural change,
confusion or perplexity, good premorbid function, absence of flat or
blunted affect
Poor
Catatonia
Severity
Schizophrenia
Symptoms
A. 2+ of delusions, hallucinations, disorganised speech, grossly
disorganised/catatonic behaviour or negative symptoms. One of the first
3 must be present.
Function
B. Social, occupational or functional impairment present (academic
in C&A)
Duration
A. Psychotic symptoms lasting more than 1 month (unless
treated)
C. Signs of disturbance for greater than 6 months (includes
prodrome)
Exclusions
D. Schizoaffective or affective disturbance criteria is not met due
to nil or minor presence of mood symptoms during active-phase
symptoms
E. Not organic or substance-induced
Other
F. If ASD or communication disorder present, requires prominent
delusions or hallucinations
Specifier
Duration:
Only to be used after 1 year
First episode (acute episode, partial remission or full
remission)
Multiple episodes (acute episode, partial remission or full
remission)
Continuous
Unspecified
Catatonia
Severity
Schizoaffective Disorder
Symptoms
A. Major mood episode (manic or depressive) concurrent with
Criterion A of schizophrenia
B. Delusions or hallucinations for 2 weeks without mood symptoms
(ie. exclude affective disturbance with psychotic features) during
lifetime
C. Major mood episodes for majority of duration during active and
residual portions
Exclusions
D. Not organic or substance-induced
Specifier
Types: bipolar (manic) or depressive
Catatonia
Duration:
Only to be used after 1 year
First episode (acute episode, partial remission or full
remission)
Multiple episodes (acute episode, partial remission or full
remission)
Continuous
Unspecified
Severity
Substance/Medication-Induced
Psychotic Disorder
Symptoms
A. Delusions and/or hallucinations
Cause
B. Criterion A started after intoxication or withdrawal of substance
or medication (latter must be able to cause such symptoms)
Exclusions
C. Not primary psychotic disorder (ie. symptoms before substance
use, symptoms persist )