F18.9
ICD-10Non-billable categoryInhalant use, unspecified
Official ICD-10-CM descriptor (FY2026)
Inhalant use, unspecified
F18.9 is a category heading, not a billable code. CMS does not accept it on a claim; report one of the more specific codes beneath it.
Excludes1
Not coded here. An Excludes1 code should never be reported at the same time as the code above it.
- inhalant abuse (F18.1-)
- inhalant dependence (F18.2-)
More specific codes under F18.9
- F18.90Inhalant use, unspecified, uncomplicated
- F18.91Inhalant use, unspecified, in remission
- F18.92Inhalant use, unspecified with intoxicationcategory
- F18.94Inhalant use, unsp with inhalant-induced mood disorder
- F18.95Inhalant use, unsp with inhalant-induced psychotic disordercategory
- F18.97Inhalant use, unsp with inhalant-induced persisting dementia
- F18.98Inhalant use, unsp with other inhalant-induced disorderscategory
- F18.99Inhalant use, unsp with unsp inhalant-induced disorder
Related codes in F18
Where this code sits
- Parent code
- F18
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ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.