W93.1Header code — not billable

Contact with or inhalation of liquid air

Chapter
20. External causes of morbidity
Category
W93
Effective date
October 1, 2026

Related codes in category W93

Frequently asked questions

What is ICD-10 code W93.1?

W93.1 is an ICD-10-CM diagnosis code for Contact with or inhalation of liquid air.

Is W93.1 a billable code?

No. W93.1 is a category/header code, not billable on its own — use one of its more specific child codes instead.

What ICD-10-CM chapter is W93.1 in?

W93.1 falls under Chapter 20: External causes of morbidity.

When did W93.1 become effective?

W93.1 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to W93.1?

W93.1 belongs to category W93, 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.