F28 OTH PSYCH DISORDER NOT DUE TO A SUB OR KNOWN PHYSIOL COND

Code Information

  • Diagnosis Code: F28
  • Short Description: Oth psych disorder not due to a sub or known physiol cond
  • Long Description: Other psychotic disorder not due to a substance or known physiological condition
  • Code Version: 2025 ICD-10-CM

The code F28 is VALID for claim submission

Code Classification

Synonyms

  • Hallucinosis

Diagnostic Related Group(s)

The code F28 is grouped in the following Diagnostic Related Group(s) MS-DRG V43.0

  1. Hiv With Major Related Condition With Mcc (974)
  2. Hiv With Major Related Condition With Cc (975)
  3. Hiv With Major Related Condition Without Cc/mcc (976)

References to Index of Diseases and Injuries

The code F28 has the following ICD-10-CM references to the Index of Diseases and Injuries

  • Inclusion Terms:
    • Chronic hallucinatory psychosis
    • Other specified schizophrenia spectrum and other psychotic disorder

Crosswalk Information

ICD-10 Code ICD-9 Code ICD-9 Description
F28 Right Arrow 298.9 Psychosis NOS
This ICD-10 to ICD-9 data is based on the 2018 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

Similar Codes

ICD-10 Code ICD-10 Description
This page was last updated on: 10/1/2025
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