Y36Header code — not billable

Operations of war

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?

Y36 is an ICD-10-CM diagnosis code for Operations of war.

Is Y36 a billable code?

No. Y36 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 in?

Y36 falls under Chapter 20: External causes of morbidity.

When did Y36 become effective?

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

What other codes are related to Y36?

Y36 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.