F20 Schizophrenia

Category / Non-billable header 9 subcodes

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

Excludes 1 (cannot be coded together)

  • brief psychotic disorder (F23)
  • cyclic schizophrenia (F25.0)
  • mood [affective] disorders with psychotic symptoms (F30.2, F31.2, F31.5, F31.64, F32.3, F33.3)
  • schizoaffective disorder (F25.-)
  • schizophrenic reaction NOS (F23)

Excludes 2 (not included here)

  • schizophrenic reaction in:
  • alcoholism (F10.15-, F10.25-, F10.95-)
  • brain disease (F06.2)
  • epilepsy (F06.2)
  • psychoactive drug use (F11-F19 with .15. .25, .95)
  • schizotypal disorder (F21)

Use Additional Code

  • code, if applicable, to identify:
  • other specified cognitive deficit (R41.84-)

Subcodes

Each subcode links to a detail page with full clinical annotations.

Code Description Billable
F20..0 Paranoid schizophrenia Yes
F20..1 Disorganized schizophrenia Yes
F20..2 Catatonic schizophrenia Yes
F20..3 Undifferentiated schizophrenia Yes
F20..5 Residual schizophrenia Yes
F20..8 Other schizophrenia No
F20..81 Schizophreniform disorder Yes
F20..89 Other schizophrenia Yes
F20..9 Schizophrenia, unspecified Yes

Last reviewed: September 2026