F18.97 — Inhalant use, unspecified with inhalant-induced persisting dementia
F18.97 is a billable, specific ICD-10-CM code for inhalant use, unspecified with inhalant-induced persisting dementia. It is valid for submission on a claim.
Inclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Inhalant-induced major neurocognitive disorder
Risk adjustment
F18.97 risk-adjusts. Under the CMS-HCC V28 model it maps to this category:
- HCC 135 Drug Use with Psychotic Complications0.424 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.
Medicare coverage
F18.97 is named in 12 Medicare coverage policies — 11 listing it as supporting medical necessity, and 1 listing it as NOT covered. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A52434Health and Behavior Assessment/Intervention – Medical Policy Articlenot covered
- A56756Billing and Coding: Home Health - Psychiatric Care
- A56767Billing and Coding: Heavy Metal Testing
- A56818Billing and Coding: Urine Drug Testing
How F18.97 is indexed
Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to F18.97.
- Inhalant-induced›major neurocognitive disorder
- Dementia›in›inhalants
- Dementia›in›volatile solvents
- Dementia›in›psychoactive drug›inhalants
- Use›inhalants›with›persisting dementia
Related codes at this level
Codes that share F18.9. If F18.97 is not quite right, the correct code is usually one of these.
- F18.90Inhalant use, unspecified, uncomplicated
- F18.91Inhalant use, unspecified, in remission
- F18.92Inhalant use, unspecified with intoxication
- F18.94Inhalant use, unspecified with inhalant-induced mood disorder
- F18.95Inhalant use, unspecified with inhalant-induced psychotic disorder
- F18.98Inhalant use, unspecified with other inhalant-induced disorders
- F18.99Inhalant use, unspecified with unspecified inhalant-induced disorder
Questions about F18.97
- Is F18.97 a billable ICD-10-CM code?
- Yes. F18.97 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does F18.97 sit in the tabular list?
- Mental, Behavioral and Neurodevelopmental disorders (F01-F99), in the block Mental and behavioral disorders due to psychoactive substance use (F10-F19).