Y37 is a non-billable/non-specific diagnosis code from the 2025 ICD-10-CM used to classify the following condition: Military operations.
Includes
Injuries to military personnel and civilians occurring during peacetime on military property and during routine military exercises and operations
Type 1 excludes
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.-)
Seventh character note
The appropriate 7th character is to be added to each code from category Y37
Seventh character extensions
A: initial encounter
D: subsequent encounter
S: sequela
Codes
Y37.0
Military operations involving explosion of marine weapons
Y37.1
Military operations involving destruction of aircraft
Y37.2
Military operations involving other explosions and fragments
Y37.3
Military operations involving fires, conflagrations and hot substances
Y37.4
Military operations involving firearm discharge and other forms of conventional warfare
Y37.5
Military operations involving nuclear weapons
Y37.6
Military operations involving biological weapons
Y37.7
Military operations involving chemical weapons and other forms of unconventional warfare
Y37.9
Other and unspecified military operations
Versions
2025
No changes
2024
No changes
2023
Code changed
Type 1 excludes
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, V29.81, 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.-)
- 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.-)
2022
No changes
2021
No changes
2020
No changes
2019
No changes
2018
No changes
2017
No changes
2016
New code