F20 ICD-10-CM Code: Schizophrenia
F20 is not a CMS-HCC payment code. MEAT criteria · RAF Calculator · HCC coding software
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FY 2026 Apr update / Mental, Behavioral and Neurodevelopmental disorders (F01-F99) / Schizophrenia, schizotypal, delusional, and other non-mood psychotic disorders (F20-F29)
F20
Header CodeICD-10-CMOfficial ICD-10-CMCodebook guidanceSchizophrenia
CMS-HCC V28
N/A—
Not mapped
CMS-HCC V24
N/A—
Not mapped
ACA/HHS
N/A—
Not mapped
ESRD/PACE
N/A—
Not mapped
RXHCC
N/A—
Not mapped
Code Book Path
Inclusion Terms
OfficialNo inclusion terms are included in this display for F20. Check the code and parent instructions in the Code Book.
Excludes 2
Official- 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)
- symptoms, signs and abnormal clinical laboratory findings, not elsewhere classified (R00-R99)Inherited from F01-F99
Related Codes
Includes
Official- disorders of psychological developmentInherited from F01-F99
Excludes 1
Official- 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)
Code First
OfficialNo Code First sequencing instructions are included in this display for F20. Check the code and parent instructions in the Code Book.
Use Additional
Official- code, if applicable, to identify:
- other specified cognitive deficit (R41.84-)
Code Also
OfficialNo Code Also instructions are included in this display for F20. Check the code and parent instructions in the Code Book.
Current with CMS: FY2026 ICD-10-CM Apr 1 update (effective Apr 1 – Sep 30, 2026) · CMS-HCC V28, 100% phased in for payment year 2026. FY2027 code set already staged for October 1, 2026. How HCC Buddy stays current →
- Code
- F20
- Description
- Schizophrenia
- HCC (V28)
- No CMS-HCC V28 mapping
- RAF reference coefficient
- —
- Billable
- No
- Payment year
- 2026
Coder workflow notes
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What This Code Means
F20 is the ICD-10-CM diagnosis code for schizophrenia. F20 sits in the ICD-10-CM chapter for mental, behavioral and neurodevelopmental disorders (f01-f99), within the section covering schizophrenia, schizotypal, delusional, and other non-mood psychotic disorders (f20-f29).
Header codes like F20 cannot be reported on claims directly; they organize child codes that share clinical context. Coders should select the billable child code that matches the documented presentation and then verify its current source-backed HCC mapping. Do not infer a child code or risk adjustment value from the header alone.
HCC Buddy maintains structured V28 and V24 mapping, source-labeled coefficient references, and MEAT documentation criteria for F20 sourced directly from the CMS-HCC risk adjustment model files and the CMS ICD-10-CM code set.
Excludes 1, Do NOT code together
Excludes 2, Not included here, may code separately
Use Additional Code
- code, if applicable, to identify:
- other specified cognitive deficit (R41.84-)