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ICD-10-CM category F20: Schizophrenia

Category F20 is a heading in chapter 5 (Mental, Behavioral and Neurodevelopmental disorders (F01-F99)), section Schizophrenia, schizotypal, delusional, and other non-mood psychotic disorders (F20-F29). It is not billable; report one of the 8 complete codes below.

Notes that apply to every F20 code

Excludes1 (never 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)
Excludes2 (not part of this condition, may be coded together)
  • 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-)

Billable codes in F20

Billable FY2027 ICD-10-CM codes in category F20
CodeDescription
F20.0Paranoid schizophrenia
F20.1Disorganized schizophrenia
F20.2Catatonic schizophrenia
F20.3Undifferentiated schizophrenia
F20.5Residual schizophrenia
F20.81Schizophreniform disorder
F20.89Other schizophrenia
F20.9Schizophrenia, unspecified

Sources

Every figure on this page is taken from the CMS publications below, as released by the Centers for Medicare & Medicaid Services. Projection built 2026-10-10. Verify against the primary file before billing or contracting decisions. The reference methodology explains how each figure is computed from these files.

Codes from the FY2027 ICD-10-CM files (all chapters). Report the code that matches the documentation and the Official Guidelines; this list is not coding advice.