F28
Billable codeOther psychotic disorder not due to a substance or known physiological condition
The ICD-10 code for other psychotic disorder not due to a substance or known physiological condition is F28.
Clinical notes
Also known as
Alternate wording, synonyms, or specific conditions that fall under this code, listed to help confirm you've picked the right one.
- Chronic hallucinatory psychosis
- Other specified schizophrenia spectrum and other psychotic disorder
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- F20Schizophrenianon-billable header
- F21Schizotypal disorder
- F22Delusional disorders
- F23Brief psychotic disorder
- F24Shared psychotic disorder
- F25Schizoaffective disordersnon-billable header
- F29Unspecified psychosis not due to a substance or known physiological condition
- F28Other psychotic disorder not due to a substance or known physiological condition
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- 2989Approximate match
- 2981Approximate match
Associated MS-DRGs
F28 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.
Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.