Schizoaffective Disorder Bipolar Type: DSM-5 Diagnostic Criteria Breakdown

Schizoaffective Disorder requires concurrent psychotic and mood symptoms, with mood episodes present for majority of illness.

DSM-5 Criteria (Bipolar Type)

  1. Criterion A: Uninterrupted illness period with Major Mood Episode (Manic or Mixed) + Criterion A of Schizophrenia (delusions, hallucinations, disorganized speech, grossly disorganized/catatonic behavior, negative symptoms).
  2. Criterion B: Delusions/hallucinations ≥2 weeks without mood symptoms (in same episode).
  3. Criterion C: Mood symptoms present for majority of total active/residual illness duration.
  4. Criterion D: Not substance/medical condition.

Key Differentiators

  • vs. Bipolar I with Psychotic Features: Psychosis only during mood episodes.
  • vs. Schizophrenia: Mood episodes brief relative to psychosis.
  • vs. MDD with Psychotic Features: No mania.

Assessment

Longitudinal history critical. Collateral info. Rule out substances (stimulants, steroids), medical (thyroid, neuro).

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