DSM-IV-TR criteria
According to the “Diagnostic and Statistical Manual of Mental Disorders in the United States” published by the APA in 2000, the terms are as follows.
1. An uninterrupted course of illness during which major depressive episodes, manic episodes, or mixed episodes with symptoms consistent with schizophrenia may occur.
2. The presence of delusions or hallucinations for at least two weeks during the same phase of the illness, in the absence of overt mood symptoms.
3. Symptoms consistent with a mood episode occur during the active or residual phase of the illness.
4. The disorder is not caused by the direct physiological effects of substance dependence (e.g., substance abuse, medication use) or a systemic medical condition.
Special types.
Bipolar type: such as the presence of manic or mixed episodes (or manic or mixed episodes as well as major depressive episodes).
Depressive type: If only major depressive episode occurs.
ICD-10 criteria
According to the “Diagnostic Criteria for the Study of Mental and Behavioral Disorders” issued by the World Health Organization in 1992, the terms are as follows.
G1. The disorder has one of the criteria for moderate or severe affective mental disorder.
G2. One of the following symptoms must be clearly present for at least two weeks (these symptoms are seen in schizophrenia and are almost identical).
(1) Thought chirping, thoughts being inserted or broadcast (seen in schizophrenia delusional, adolescent or catatonic type) (G(1)a);
(2) Delusions of control or victimization that explicitly involve body or limb movements, or passive affect of particular thoughts, actions, or sensations. (seen in schizophrenic delusional, adolescent, or catatonic types) (G(1)b);
(3) Hallucinations, commenting on the patient’s behavior, or coming from a body part. (seen in schizophrenic delusional, adolescent, or catatonic types);
(4) Persistent delusions that are culturally inappropriate and completely improbable. Not just exaggerated or victimized. For example, visits to another world, the ability to control clouds by breathing, the ability to communicate with animals or plants without speaking;
(5) Explicit linguistic incoherence or neologism (seen in schizophrenic delusional, adolescent or catatonic types);
(6) Intermittent but frequent catatonic behaviors such as acting out, waxing and waning, and defiance (seen in schizophrenic delusional, adolescent, or catatonic types).
G3. G1 and G2, must be present during the same episode of the illness or at least part of the episode. Both must be evident in the clinical phase.
G4. The disorder is not caused by organic psychiatric disorder or psychoactive disorder – intoxication, dependence or withdrawal.
Schizoaffective disorder, manic type
A must meet the general criteria for schizoaffective disorder
B Must meet criteria for manic disorder
Other schizoaffective disorders
Schizoaffective disorder, undetermined type