Y37.291A – Military operations involving other explosions and fragments, civilian, initial encounter

ICD-10-CM 2027 diagnosis code · Legal intervention, operations of war, military operations, and terrorism

Billable code

ICD-10-CM code Y37.291A

Code: Y37.291A (claims format: Y37291A)
Description: Military operations involving other explosions and fragments, civilian, initial encounter
Short description: Milt op involving oth explosn and fragments, civilian, init
Billable: Yes – valid for HIPAA-covered transactions
Valid for: Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter: 20. External causes of morbidity (V00-Y99)
Block: Y35-Y38 Legal intervention, operations of war, military operations, and terrorism
Parent codes: Y37 › Y37.2 › Y37.29 › Y37.291

7th character values

Codes in this category need a 7th character to describe the encounter or episode of care.

Character	Meaning
`A`	initial encounter
`D`	subsequent encounter
`S`	sequela

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

Y37 – Military operations

Includes:

injuries to military personnel and civilians occurring during peacetime on military property and during routine military exercises and operations

Excludes1 (not coded here):

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 note:

The appropriate 7th character is to be added to each code from category Y37

Y37.2 – Military operations involving other explosions and fragments

Excludes1 (not coded here):

military operations involving explosion of aircraft (Y37.1-)
military operations involving explosion of marine weapons (Y37.0-)
military operations involving explosion of nuclear weapons (Y37.5-)

Y37.29 – Military operations involving other explosions and fragments

Applicable to:

Military operations involving explosion of grenade
Military operations involving explosions of land mine
Military operations involving shrapnel NOS

Related codes in Y37.291

Frequently asked questions

What is ICD-10 code Y37.291A?

Y37.291A is the ICD-10-CM code for military operations involving other explosions and fragments, civilian, initial encounter, in the block Y35-Y38 (Legal intervention, operations of war, military operations, and terrorism).

Is Y37.291A a billable code?

Yes. Y37.291A is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does Y37.291A belong to?

It belongs to category Y37 – Military operations.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.