Emergency: 119
AMDA-IMIC

F28 Other psychotic disorder not due to a substance or known physiological condition

Billable

Block: Schizophrenia, schizotypal, delusional, and other non-mood psychotic disorders (F20-F29)

Includes

  • Chronic hallucinatory psychosis
  • Other specified schizophrenia spectrum and other psychotic disorder
✓
This category is a complete, billable diagnosis code.

No additional specificity is required — submit F28 directly on claims and documentation without a subcode extension.

Last reviewed: September 2026