MCMedicalCodingSoftware
F18.91

F18.91: Inhalant use, unspecified, in remission

Billable / specific codeICD-10-CM

F18.91 is a billable, specific ICD-10-CM code for inhalant use, unspecified, in remission. It is valid for submission on a claim.

Check F18.91 with the rest of the claim: free scrubber

Excludes1 inherited from the categories above F18.91

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

F18.91 is named in 10 Medicare coverage policies: 8 listing it as supporting medical necessity, and 2 listing it as NOT covered. Which one applies depends on your Medicare contractor.

  • A52434Health and Behavior Assessment/Intervention – Medical Policy Articlenot covered
  • A56562Billing and Coding: Health and Behavior Assessment/Interventionnot covered
  • A56614Billing and Coding: Psychiatric Inpatient Hospitalization
  • A56756Billing and Coding: Home Health - Psychiatric Care

Alphabetic index entries that lead here

  • Use›inhalants›in remission

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.