F18.27 — Inhalant dependence with inhalant-induced dementia
F18.27 is a billable, specific ICD-10-CM code for inhalant dependence with inhalant-induced 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 use disorder, moderate, with inhalant induced major neurocognitive disorder
- Inhalant use disorder, severe, with inhalant induced major neurocognitive disorder
Risk adjustment
F18.27 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
F18.27 is named in 19 Medicare coverage policies — 18 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
- A56614Billing and Coding: Psychiatric Inpatient Hospitalization
- A56645Billing and Coding: Controlled Substance Monitoring and Drugs of Abuse Testing
- A56756Billing and Coding: Home Health - Psychiatric Care
How F18.27 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 F18.27.
- Dementia›in›inhalants›with dependence
- Dementia›in›volatile solvents›with dependence
- Dementia›in›psychoactive drug›inhalants›with dependence
- Dependence›drug NEC›inhalant›with›dementia, persisting
- Disorder›inhalant use›moderate or severe›with›inhalant-induced›major neurocognitive disorder
Related codes at this level
Codes that share F18.2. If F18.27 is not quite right, the correct code is usually one of these.
- F18.20Inhalant dependence, uncomplicated
- F18.21Inhalant dependence, in remission
- F18.22Inhalant dependence with intoxication
- F18.24Inhalant dependence with inhalant-induced mood disorder
- F18.25Inhalant dependence with inhalant-induced psychotic disorder
- F18.28Inhalant dependence with other inhalant-induced disorders
- F18.29Inhalant dependence with unspecified inhalant-induced disorder
Questions about F18.27
- Is F18.27 a billable ICD-10-CM code?
- Yes. F18.27 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does F18.27 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).