X98.1Header code — not billable

Assault by hot tap water

Chapter
20. External causes of morbidity
Category
X98
Effective date
October 1, 2026

Related codes in category X98

Frequently asked questions

What is ICD-10 code X98.1?

X98.1 is an ICD-10-CM diagnosis code for Assault by hot tap water.

Is X98.1 a billable code?

No. X98.1 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 X98.1 in?

X98.1 falls under Chapter 20: External causes of morbidity.

When did X98.1 become effective?

X98.1 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to X98.1?

X98.1 belongs to category X98, 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.