F20
⚠ Non-billable
Schizophrenia
ICD-10-CM · FY2026 · Mental, Behavioral and Neurodevelopmental Disorders
Code
F20
System
ICD-10-CM
Billable
No — use specific code
Effective
FY2026
Chapter
Mental, Behavioral and Neurodevelopmental Disorders
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Official coding notes
From CMS's ICD-10-CM Tabular List.
Excludes1 — never code 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 included here, but may code 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-)
Frequently asked questions
What is ICD-10 code F20?
ICD-10-CM code F20 represents Schizophrenia. It is a non-billable header code requiring a more specific subcategory in the Mental, Behavioral and Neurodevelopmental Disorders chapter, effective October 1, 2025 – September 30, 2026.
Is F20 billable?
No. F20 is a non-billable header. Select a more specific subcategory for claims submission.
What chapter is F20 in?
F20 belongs to the Mental, Behavioral and Neurodevelopmental Disorders chapter (F01–F99) of ICD-10-CM.
Related codes in the F20 category
F20.0
Paranoid schizophrenia
Billable
F20.1
Disorganized schizophrenia
Billable
F20.2
Catatonic schizophrenia
Billable
F20.3
Undifferentiated schizophrenia
Billable
F20.5
Residual schizophrenia
Billable
F20.8
Other schizophrenia
Non-billable
F20.9
Schizophrenia, unspecified
Billable
F20.81
Schizophreniform disorder
Billable
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