Y37 is a non-billable/non-specific diagnosis code from the 2026 ICD-10-CM used to classify the following condition: Military operations.
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Injuries to military personnel and civilians occurring during peacetime on military property and during routine military exercises and operations
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.-)
The appropriate 7th character is to be added to each code from category Y37
A: initial encounter
D: subsequent encounter
S: sequela
Military operations involving explosion of marine weapons
Blast overpressure in military operations
Military operations involving destruction of aircraft
Military operations involving other explosions and fragments
Military operations involving fires, conflagrations and hot substances
Military operations involving firearm discharge and other forms of conventional warfare
Military operations involving nuclear weapons
Military operations involving biological weapons
Military operations involving chemical weapons and other forms of unconventional warfare
Other and unspecified military operations
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