F09 UNSP MENTAL DISORDER DUE TO KNOWN PHYSIOLOGICAL CONDITION

Code Information

  • Diagnosis Code: F09
  • Short Description: Unsp mental disorder due to known physiological condition
  • Long Description: Unspecified mental disorder due to known physiological condition
  • Code Version: 2025 ICD-10-CM

The code F09 is VALID for claim submission

Code Classification

Synonyms

  • Behavior disorder as sequela of cerebral infarction
  • Chronic brain syndrome
  • Chronic non-psychotic brain syndrome
  • Chronic organic mental disorder
  • Cognitive changes due to organic disorder
  • Cognitive disorder
  • Cognitive disorder in remission
  • Encephalopathy with AIDS
  • Neurocognitive disorder
  • Neuropsychiatric disorder due to systemic lupus erythematosus
  • Organic brain syndrome co-occurrent with human immunodeficiency virus infection
  • Organic brain syndrome with AIDS
  • Organic mental disorder
  • Organic mental disorder caused by ethanol
  • Organic mental disorder caused by hypnotic agent
  • Organic mental disorder caused by sedative
  • Specific nonpsychotic mental disorders following organic brain damage
  • Transient organic mental disorder

Diagnostic Related Group(s)

The code F09 is grouped in the following Diagnostic Related Group(s) MS-DRG V42.0

  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 F09 has the following ICD-10-CM references to the Index of Diseases and Injuries

  • Inclusion Terms:
    • Mental disorder NOS due to known physiological condition
    • Organic brain syndrome NOS
    • Organic mental disorder NOS
    • Organic psychosis NOS
    • Symptomatic psychosis NOS
  • Type 1 Excludes Notes:
    • mild neurocognitive disorder due to known physiological condition (@F06.7*-)
    • psychosis NOS (@F29*)
  • Code First:
    • the underlying physiological condition

Crosswalk Information

ICD-10 Code ICD-9 Code ICD-9 Description
F09 Right Arrow 310.9 Nonpsychot brain syn 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.

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ICD-10 Code ICD-10 Description
This page was last updated on: 10/1/2024
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