2025 ICD-10-CM code Y36.4

War operations involving firearm discharge and other forms of conventional warfare.

This code should be used as a secondary code to a code from another chapter indicating the nature of the condition. The 7th character should be used to indicate the encounter type (initial, subsequent, or sequela).

The 7th character of the code acts as a modifier to specify the encounter type (A = initial encounter, D = subsequent encounter, S = sequela).

The medical necessity for this code is established by the presence of an injury sustained during war operations involving firearm discharge or other forms of conventional warfare.

Documenting the circumstances of the injury, including the type of weapon used, the location of the injury, and the patient's status (military or civilian).

In simple words: This code describes injuries sustained from firearms and other conventional weapons during war, civil unrest, or peacekeeping operations.

Injuries to military personnel and civilians caused by firearm discharge and other forms of conventional warfare during war, civil insurrection, and peacekeeping missions.

Example 1: A soldier sustains a gunshot wound during a firefight in a war zone., A civilian is injured by shrapnel from an exploding artillery shell during a civil insurrection., A peacekeeper is injured by a landmine while on patrol.

Documentation should clearly state the circumstances of the injury, including the type of warfare, the involvement of firearms or other conventional weapons, and the patient's status as military personnel or civilian. Any associated injuries should also be documented.

** Excludes1: injury to military personnel occurring during peacetime military operations (Y37.-) military vehicles involved in transport accidents with non-military vehicle during peacetime (V09.01, V09.21, V19.81, V29.818, V39.81, V49.81, V59.81, V69.81, V79.81)

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