Y36.6X1Header code — not billable

War operations involving biological weapons, civilian

Chapter
20. External causes of morbidity
Category
Y36
Effective date
October 1, 2026

Related codes in category Y36

Frequently asked questions

What is ICD-10 code Y36.6X1?

Y36.6X1 is an ICD-10-CM diagnosis code for War operations involving biological weapons, civilian.

Is Y36.6X1 a billable code?

No. Y36.6X1 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 Y36.6X1 in?

Y36.6X1 falls under Chapter 20: External causes of morbidity.

When did Y36.6X1 become effective?

Y36.6X1 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to Y36.6X1?

Y36.6X1 belongs to category Y36, 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.