F18.221Billable

Inhalant dependence with intoxication 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 F18.221?

F18.221 is an ICD-10-CM diagnosis code for Inhalant dependence with intoxication delirium.

Is F18.221 a billable code?

Yes. F18.221 is billable and specific enough to be used on a claim.

What ICD-10-CM chapter is F18.221 in?

F18.221 falls under Chapter 5: Mental, Behavioral and Neurodevelopmental disorders.

When did F18.221 become effective?

F18.221 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to F18.221?

F18.221 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.