Is ICD-10-CM code F29 billable?

Yes, F29 (Unspecified psychosis not due to a substance or known physiological condition) is a billable ICD-10-CM diagnosis code, valid for reimbursement on HIPAA-covered transactions for FY2026.

What chapter does ICD-10-CM code F29 belong to?

F29 belongs to Chapter 5 of the ICD-10-CM tabular list: F01–F99 (Mental, Behavioral and Neurodevelopmental Disorders).

F29

Billable

ChapterF01–F99

Rankcategory

Description

Unspecified psychosis not due to a substance or known physiological condition

About ICD-10-CM code F29

Under F01-F99 Mental, Behavioral and Neurodevelopmental Disorders, within Schizophrenia, schizotypal, delusional, and other non-mood psychotic disorders (F20-F29), ICD-10-CM code F29 describes Unspecified psychosis not due to a substance or known physiological condition. This code can be billed directly for covered encounters.

Metadata & Insights

•Billable/specific code (valid for reimbursement).
•Chapter 5: Mental, Behavioral and Neurodevelopmental Disorders (F01-F99).

CH5 Parent Instructions

Includes

disorders of psychological development

Excludes2(Not included here. Code separately if applicable.)

symptoms, signs and abnormal clinical laboratory findings, not elsewhere classified (R00-R99)

Instructional Notes

Includes

Psychosis NOS
Unspecified schizophrenia spectrum and other psychotic disorder

Excludes1(Not coded here. Use a different code.)

mental disorder NOS (F99)
unspecified mental disorder due to known physiological condition (F09)

Clinical Hierarchy

BillableHas subcodes

CH5Mental, Behavioral and Neurodevelopmental disorders (F01-F99)

F20-F29Schizophrenia, schizotypal, delusional, and other non-mood psychotic disorders (F20-F29)

F29Unspecified psychosis not due to a substance or known physiological conditionBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to F29:

chapterCH5

Mental, Behavioral and Neurodevelopmental disorders (F01-F99)

View context instructions

MS-DRG Classification

2026 v43.1

This code is grouped within the following Diagnosis Related Group(s) for clinical reimbursement:

DRG 885

Psychoses

DRG 974

HIV with Major Related Condition with MCC

DRG 975

HIV with Major Related Condition with CC

DRG 976

HIV with Major Related Condition without CC/MCC

Cross Reference

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