F28: Other psychotic disorder not due to a substance or known physiological condition
F28 is a billable, specific ICD-10-CM code for other psychotic disorder not due to a substance or known physiological condition. It is valid for submission on a claim.
Check F28 with the rest of the claim: free scrubberInclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Chronic hallucinatory psychosis
- Other specified schizophrenia spectrum and other psychotic disorder
Risk adjustment
F28 risk-adjusts. Under the CMS-HCC V28 model it maps to these categories:
- HCC 152 Psychosis, Except Schizophrenia0.484 RAF
- HCC 152 Psychosis, Except Schizophrenia0.484 RAF
Coefficient shown for the Community Non-dual Aged segment. A higher HCC in the same hierarchy will suppress this one, so capturing it does not always add score. Look up the whole chart to see which of its HCCs the hierarchy would zero.
Medicare coverage
F28 is named in 20 Medicare coverage policies: 19 listing it as supporting medical necessity, and 1 listing it as NOT covered. Which one applies depends on your Medicare contractor.
- A52434Health and Behavior Assessment/Intervention – Medical Policy Articlenot covered
- A56612Billing and Coding: CT of the Head
- A56614Billing and Coding: Psychiatric Inpatient Hospitalization
- A56645Billing and Coding: Controlled Substance Monitoring and Drugs of Abuse Testing
Alphabetic index entries that lead here
- Hallucinosis(chronic)
- Insanity, insane›confusional
- Menopause, menopausal›psychosis NEC
- Psychosis, psychotic›hallucinatory, chronic
- Psychosis, psychotic›involutional
- Disorder›schizophrenia spectrum and other psychotic disorder›specified NEC
- Psychosis, psychotic›nonorganic›specified NEC
- Schizophrenia, schizophrenic›spectrum and other psychotic disorder›specified NEC
Code history
Unchanged in every release from FY2024 to FY2027.