F29 – Unspecified psychosis not due to a substance or known physiological condition

ICD-10-CM 2027 diagnosis code · Schizophrenia, schizotypal, delusional, and other non-mood psychotic disorders

Billable code

ICD-10-CM code F29
Code
F29 (claims format: F29)
Description
Unspecified psychosis not due to a substance or known physiological condition
Short description
Unsp psychosis not due to a substance or known physiol cond
Billable
Yes – valid for HIPAA-covered transactions
Valid for
Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter
5. Mental, Behavioral and Neurodevelopmental disorders (F01-F99)
Block
F20-F29 Schizophrenia, schizotypal, delusional, and other non-mood psychotic disorders

Notes for F29

Applicable to:
  • Psychosis NOS
  • Unspecified schizophrenia spectrum and other psychotic disorder
Excludes1 (not coded here):
  • mental disorder NOS (F99)
  • unspecified mental disorder due to known physiological condition (F09)

Index terms for F29

Entries in the ICD-10-CM alphabetic index that lead to this code:

Frequently asked questions

What is ICD-10 code F29?

F29 is the ICD-10-CM code for unspecified psychosis not due to a substance or known physiological condition, in the block F20-F29 (Schizophrenia, schizotypal, delusional, and other non-mood psychotic disorders).

Is F29 a billable code?

Yes. F29 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.