ICD-10-CM Tabular Index · Chapter 5 · FY 2026 F20–F29

Schizophrenia, schizotypal, delusional, and other non-mood psychotic disorders (F20-F29) ICD-10-CM

The F20–F29 section covers schizophrenia, schizotypal, delusional, and other non-mood psychotic disorders with 21 ICD-10-CM diagnosis codes, of which 18 are billable in fiscal year 2026. The section is organized into the 8 code ranges listed below.

✓ Built from the official CMS FY 2026 datasetEffective Oct 1, 2025 – Sep 30, 2026
8
Code Ranges
21
Diagnosis Codes
18
Billable Codes
F20–F29
Code Range
ICD-10-CM

Code Ranges in This Section 8 ranges · 21 codes

About the F20–F29 Code Range

The ICD-10 codes from F20 to F29 cover a range of serious psychiatric conditions known as schizophrenia, schizotypal, delusional, and other non-mood psychotic disorders. These codes specifically classify various forms of schizophrenia and related psychotic disorders, helping healthcare professionals accurately identify and treat these complex mental health conditions.

This code range includes detailed classifications for different types of schizophrenia such as paranoid (F20.0), disorganized (F20.1), and catatonic schizophrenia (F20.2), including their acute or chronic states and remission phases. The codes also cover schizotypal disorder (F21), which relates to personality and prodromal symptoms, and delusional disorders (F22) characterized by fixed false beliefs, sometimes including complex syndromes like erotomanic or persecutory delusions. Brief psychotic episodes (F23) and shared psychotic disorders, also known as folie à trois (F24), are included. Schizoaffective disorders (F25) combine mood and psychotic symptoms, with separate codes for bipolar and depressive types. Lastly, unspecified psychotic disorders (F28 and F29) cover cases not due to substances or physiological causes. These codes support precise diagnosis and treatment planning by distinguishing subtle differences among psychotic disorders and their progressions.

Questions About This Page

How many codes are in the F20-F29 range?

The F20-F29 range contains 21 ICD-10-CM diagnosis codes in FY 2026. 18 of them are billable, and the rest are category headers that organize the section.

What conditions does F20-F29 cover?

The range covers schizophrenia, schizotypal, delusional, and other non-mood psychotic disorders. The code ranges listed above break it into groups of related conditions, and each one links to its own page with the full code list.

Related References

Source: CMS FY 2026 ICD-10-CM Tabular List and order file, effective October 1, 2025 through September 30, 2026.