U.S. ICD-10-CM · FY 2027

F20 ICD-10-CM Code: Schizophrenia

A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.

Code definition

Official description

F20

Schizophrenia

ICD-10-CM diagnosis code · United States clinical modification

Classification

Where F20 sits

  1. 1

    Chapter 5

    Mental, Behavioral and Neurodevelopmental disorders (F01-F99)

  2. 2

    Section

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

  3. 3

    Category F20

    Schizophrenia

  4. 4

    Code F20

    Schizophrenia

More specific choices

Codes under F20

F20 is a non-billable category. Choose the child code that best matches the documented diagnosis.

F20.0

Paranoid schizophrenia

F20.1

Disorganized schizophrenia

F20.2

Catatonic schizophrenia

F20.3

Undifferentiated schizophrenia

F20.5

Residual schizophrenia

F20.8

Other schizophrenia

F20.9

Schizophrenia, unspecified

Documentation details

Notes for this code

Inclusion terms

No inclusion terms are listed for F20.

Code first

No “code first” instruction is listed for F20.

Use additional code

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

Excludes1

Conditions that should not be reported together with this code.

  • 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

Conditions not included here that may be reported separately when present.

  • 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)

Transparency

Source and release

Data release

U.S. ICD-10-CM · FY 2027

Effective date

Oct 1, 2026

Publisher

Vero Scribe Inc.

This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.

Review the CDC/NCHS ICD-10-CM source

Code-specific guidance

Frequently asked questions

What does ICD-10-CM code F20 mean?

F20 is the FY 2027 U.S. ICD-10-CM code for “Schizophrenia.”

Is F20 a billable or specific ICD-10-CM code?

No. F20 has more specific child codes in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.

Where is F20 located in ICD-10-CM?

F20 is listed in Chapter 5, Mental, Behavioral and Neurodevelopmental disorders (F01-F99), within Schizophrenia, schizotypal, delusional, and other non-mood psychotic disorders (F20-F29) (F20–F29), under category F20, Schizophrenia.

What coding notes are listed for F20?

No inclusion terms are listed for F20 in this reference record. No code-first instruction is listed. Additional-code instructions: code, if applicable, to identify:; other specified cognitive deficit (R41.84-). Excludes1 notes: 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 notes: 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).

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