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F20

⚠ Non-billable (Header)

Schizophrenia

Mental, Behavioral and Neurodevelopmental disorders (F01-F99)

⚠️ This is a category header code — not billable. Use a more specific child code below.

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📋 Code Instructions

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

❌ Excludes1

direct

Cannot be coded with F20

  • • 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

direct

May be coded together if both conditions coexist

  • • 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)

Child Codes (7)

F20.0Paranoid schizophreniaF20.1Disorganized schizophreniaF20.2Catatonic schizophreniaF20.3Undifferentiated schizophreniaF20.5Residual schizophreniaF20.8Other schizophreniaF20.9Schizophrenia, unspecified

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Code Information

CodeF20
BillableNo — Header code
CategoryMental, Behavioral and Neurodevelopmental disorders (F01-F99)
Excludes15 rule(s)
Excludes26 note(s)
Child codes7

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)