Y37.520Header code — not billable

Military operations involving indirect blast effect of nuclear weapon, military personnel

Short description: Milt op w indirect blast effect of nuclear weapon, milt

Chapter
20. External causes of morbidity
Category
Y37
Effective date
October 1, 2026

Related codes in category Y37

Frequently asked questions

What is ICD-10 code Y37.520?

Y37.520 is an ICD-10-CM diagnosis code for Military operations involving indirect blast effect of nuclear weapon, military personnel.

Is Y37.520 a billable code?

No. Y37.520 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 Y37.520 in?

Y37.520 falls under Chapter 20: External causes of morbidity.

When did Y37.520 become effective?

Y37.520 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to Y37.520?

Y37.520 belongs to category Y37, 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.