Unspecified psychosis not due to a substance or known physiological condition (F29) ICD-10-CM
The F29 code range covers unspecified psychosis not due to a substance or known physiological condition with 1 ICD-10-CM diagnosis codes. 1 of them are billable and valid for claim submission in fiscal year 2027, and the category headers group them but cannot themselves be billed.
Inclusion Terms
These terms are the conditions for which that code is to be used. The terms may be synonyms of the code title, or, in the case of "other specified" codes, the terms are a list of the various conditions assigned to that code. The inclusion terms are not necessarily exhaustive. Additional terms found only in the Alphabetic Index may also be assigned to a code.
- Psychosis NOS
- Unspecified schizophrenia spectrum and other psychotic disorder
Type 1 Excludes
A type 1 excludes note is a pure excludes note. It means "NOT CODED HERE!" An Excludes1 note indicates that the code excluded should never be used at the same time as the code above the Excludes1 note. An Excludes1 is used when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.
Codes in the F29 Range 1 codes · 1 billable
- F29 Unspecified psychosis not due to a substance or known physiological condition
Clinical Terms in This Code Range
Definitions from the National Library of Medicine for conditions coded in the F29 range.
Psychotic Disorders
Disorders in which there is a loss of ego boundaries or a gross impairment in reality testing with delusions or prominent hallucinations. (From DSM-IV, 1994)
About the F29 Code Range
Psychotic disorders can involve severe difficulty judging reality, with delusions or prominent hallucinations.
Within the group of schizophrenia, schizotypal, delusional, and other non-mood psychotic disorders, F29 identifies unspecified psychosis not due to a substance or known physiological condition.
Questions About This Page
How many billable codes are in the F29 range?
Of the 1 codes in this range, 1 are billable and valid for claim submission from October 1, 2026 through September 30, 2027. Category header codes group them but cannot be reported on claims.
What does the F29 range classify?
The range classifies unspecified psychosis not due to a substance or known physiological condition. Each code links to its own reference page with billing status, MS-DRG grouping, coding notes, and clinical information.
Related References
Source: CMS FY 2027 ICD-10-CM Tabular List and order file, effective October 1, 2026 through September 30, 2027.
