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Y37 ⚠ Non-billable

Military operations

ICD-10-CM · FY2026 · External Causes of Morbidity

Code
Y37
System
ICD-10-CM
Billable
No — use specific code
Effective
FY2026
Chapter
External Causes of Morbidity
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.

Official coding notes

From CMS's ICD-10-CM Tabular List.

Includes
  • injuries to military personnel and civilians occurring during peacetime on military property and during routine military exercises and operations
Excludes1 — never code together
  • military aircraft involved in aircraft accident with civilian aircraft (V97.81-)
  • military vehicles involved in transport accident with civilian vehicle (V09.01, V09.21, V19.81, V29.818, V39.81, V49.81, V59.81, V69.81, V79.81)
  • military watercraft involved in water transport accident with civilian watercraft (V94.81-)
  • war operations (Y36.-)
7th character
  • The appropriate 7th character is to be added to each code from category Y37

Frequently asked questions

What is ICD-10 code Y37?
ICD-10-CM code Y37 represents Military operations. It is a non-billable header code requiring a more specific subcategory in the External Causes of Morbidity chapter, effective October 1, 2025 – September 30, 2026.
Is Y37 billable?
No. Y37 is a non-billable header. Select a more specific subcategory for claims submission.
What chapter is Y37 in?
Y37 belongs to the External Causes of Morbidity chapter (V00–Y99) of ICD-10-CM.

Related codes in the Y37 category

Y37.0 Military operations involving explosion of marine weapons Non-billable Y37.00 Military operations involving explosion of unspecified marine weapon Non-billable Y37.01 Military operations involving explosion of depth-charge Non-billable Y37.02 Military operations involving explosion of marine mine Non-billable Y37.03 Military operations involving explosion of sea-based artillery shell Non-billable Y37.04 Military operations involving explosion of torpedo Non-billable Y37.05 Military operations involving accidental detonation of onboard marine weapons Non-billable Y37.000 Military operations involving explosion of unspecified marine weapon, military personnel Non-billable

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