Y37.7XHeader code — not billable
Military operations involving chemical weapons and other forms of unconventional warfare
Short description: Milt op involving chemical weapons and oth unconvtl warfare
- Chapter
- 20. External causes of morbidity
- Category
- Y37
- Effective date
- October 1, 2026
Related codes in category Y37
Y37Military operationsY37.0Military operations involving explosion of marine weaponsY37.00Milt op involving explosion of unsp marine weaponY37.000Milt op involving explosion of unsp marine weapon, miltY37.000AMilt op involving explosn of unsp marine weapon, milt, initYesY37.000DMilt op involving explosn of unsp marine weapon, milt, subsYesY37.000SMilt op w explosn of unsp marine weapon, milt, sequelaYesY37.001Milt op involving explosion of unsp marine weapon, civilianY37.001AMilt op w explosn of unsp marine weapon, civilian, initYesY37.001DMilt op w explosn of unsp marine weapon, civilian, subsYesY37.001SMilt op w explosn of unsp marine weapon, civilian, sequelaYesY37.01Military operations involving explosion of depth-charge
Frequently asked questions
What is ICD-10 code Y37.7X?
Y37.7X is an ICD-10-CM diagnosis code for Military operations involving chemical weapons and other forms of unconventional warfare.
Is Y37.7X a billable code?
No. Y37.7X 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 Y37.7X in?
Y37.7X falls under Chapter 20: External causes of morbidity.
When did Y37.7X become effective?
Y37.7X has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to Y37.7X?
Y37.7X 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.