MCMedicalCodingSoftware
F18.90

F18.90: Inhalant use, unspecified, uncomplicated

Billable / specific codeICD-10-CM

F18.90 is a billable, specific ICD-10-CM code for inhalant use, unspecified, uncomplicated. It is valid for submission on a claim.

Check F18.90 with the rest of the claim: free scrubber

Excludes1 inherited from the categories above F18.90

A category’s note binds every code beneath it.

Written on F18.9: Inhalant use, unspecified

  • inhalant abuse (F18.1-)
  • inhalant dependence (F18.2-)

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

F18.90 is named in 13 Medicare coverage policies: 12 listing it as supporting medical necessity, and 1 listing it as NOT covered. Which one applies depends on your Medicare contractor.

  • A52434Health and Behavior Assessment/Intervention – Medical Policy Articlenot covered
  • A54799Billing and Coding: Urine Drug Testing
  • A55001Billing and Coding: Urine Drug Testing
  • A56645Billing and Coding: Controlled Substance Monitoring and Drugs of Abuse Testing

Alphabetic index entries that lead here

  • Use›inhalants
  • Use›volatile solvents

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under F18.9

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.