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.
❌ Excludes1
directThese codes are mutually exclusive. Never code them 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
directBoth codes can exist if both conditions are documented.
- • 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)
📋 Code Instructions
direct- • code, if applicable, to identify:
- • other specified cognitive deficit (R41.84-)
Child Codes (7)
Clinical Description
ICD-10-CM code F20 represents schizophrenia. This code falls under the Mental, Behavioral and Neurodevelopmental disorders (F01-F99) classification. It is a non-billable category header code. A more specific child code from the list below must be used for billing and reimbursement purposes.
Frequently Asked Questions
What is ICD-10 code F20?
ICD-10-CM code F20 is "Schizophrenia". It belongs to the category: Mental, Behavioral and Neurodevelopmental disorders (F01-F99).
Is F20 a billable ICD-10 code?
No, F20 is a non-billable header code. A more specific child code must be used for billing.
What codes are excluded with F20?
F20 has 5 Excludes1 rule(s). These codes are mutually exclusive and cannot be coded together on the same claim.
Can F20 be coded with other codes?
F20 has 6 Excludes2 note(s). These conditions can be coded together if both are documented in the patient record.
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Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)