F18.921Billable

Inhalant use, unspecified with intoxication with delirium

Chapter
5. Mental, Behavioral and Neurodevelopmental disorders
Category
F18
Effective date
October 1, 2026

Related codes in category F18

Frequently asked questions

What is ICD-10 code F18.921?

F18.921 is an ICD-10-CM diagnosis code for Inhalant use, unspecified with intoxication with delirium.

Is F18.921 a billable code?

Yes. F18.921 is billable and specific enough to be used on a claim.

What ICD-10-CM chapter is F18.921 in?

F18.921 falls under Chapter 5: Mental, Behavioral and Neurodevelopmental disorders.

When did F18.921 become effective?

F18.921 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to F18.921?

F18.921 belongs to category F18, which includes 12 other codes — see the related codes list on this page.

ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.