X18Header code — not billable

Contact with other hot metals

Chapter
20. External causes of morbidity
Category
X18
Effective date
October 1, 2026

Related codes in category X18

X18.XXXAContact with other hot metals, initial encounterYesX18.XXXDContact with other hot metals, subsequent encounterYesX18.XXXSContact with other hot metals, sequelaYes

Frequently asked questions

What is ICD-10 code X18?

X18 is an ICD-10-CM diagnosis code for Contact with other hot metals.

Is X18 a billable code?

No. X18 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 X18 in?

X18 falls under Chapter 20: External causes of morbidity.

When did X18 become effective?

X18 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to X18?

X18 belongs to category X18, which includes 3 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.