ICD-10-CM · Chapter 5 · F01-F99
F29 Unspecified psychosis not due to a substance or known physiological condition
Includes
- Psychosis NOS
- Unspecified schizophrenia spectrum and other psychotic disorder
Excludes 1 (cannot be coded together)
- mental disorder NOS (F99)
- unspecified mental disorder due to known physiological condition (F09)
This category is a complete, billable diagnosis code.
No additional specificity is required — submit F29 directly on claims and documentation without a subcode extension.
Last reviewed: September 2026