ICD-10-CM Y37: Military operations

ICD-10-CM Diagnosis Code (2025)

Official Description for Y37

Military operations

Coding Notes & Guidelines for Y37

Includes Notes

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.-)
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-)
Excludes1: Not Coded Here
  • military operations involving fires and conflagrations aboard military aircraft (Y37.1-)
  • military operations involving fires and conflagrations aboard military watercraft (Y37.0-)
  • military operations involving fires and conflagrations caused indirectly by conventional weapons (Y37.2-)
  • military operations involving fires and thermal effects of nuclear weapons (Y36.53-)
Excludes1: Not Coded Here
  • military operations involving munitions fragments (Y37.25-)
  • military operations involving incendiary bullets (Y37.32-)
Excludes1: Not Coded Here
  • military operations involving combat using blunt or piercing object (Y37.45-)
  • military operations involving intentional restriction of air and airway (Y37.46-)
  • military operations involving unintentional restriction of air and airway (Y37.47-)
Excludes1: Not Coded Here

military operations involving incendiary devices (Y36.3-, Y36.5-)

Inclusion Terms

Military operations involving underwater blast NOS

Inclusion Terms

Military operations involving explosion of marine mine, at sea or in harbor

Inclusion Terms
  • Military operations involving destruction of aircraft due to air to air missile
  • Military operations involving destruction of aircraft due to explosive placed on aircraft
  • Military operations involving destruction of aircraft due to rocket propelled grenade [RPG]
  • Military operations involving destruction of aircraft due to small arms fire
  • Military operations involving destruction of aircraft due to surface to air missile
Inclusion Terms
  • Military operations involving air blast NOS
  • Military operations involving blast NOS
  • Military operations involving blast fragments NOS
  • Military operations involving blast wave NOS
  • Military operations involving blast wind NOS
  • Military operations involving explosion NOS
  • Military operations involving explosion of bomb NOS
Inclusion Terms
  • Military operations involving explosion of person-borne improvised explosive device [IED]
  • Military operations involving explosion of vehicle-borne improvised explosive device [IED]
  • Military operations involving explosion of roadside improvised explosive device [IED]
Inclusion Terms
  • Military operations involving fragments of person-borne improvised explosive device [IED]
  • Military operations involving fragments of vehicle-borne improvised explosive device [IED]
  • Military operations involving fragments of roadside improvised explosive device [IED]
Inclusion Terms
  • Military operations involving explosion of grenade
  • Military operations involving explosions of land mine
  • Military operations involving shrapnel NOS
Inclusion Terms

Military operations involving smoke, fumes, and heat from fires, conflagrations and hot substances

Inclusion Terms
  • Military operations involving incendiary bomb
  • Military operations involving petrol bomb
Inclusion Terms

Military operations involving bullets NOS

Inclusion Terms

Military operation involving dirty bomb NOS

Inclusion Terms

Military operations involving blast pressure of nuclear weapon

Inclusion Terms
  • Military operations involving being thrown by blast of nuclear weapon
  • Military operations involving being struck or crushed by blast debris of nuclear weapon
Inclusion Terms
  • Military operations involving direct heat from nuclear weapon
  • Military operation involving fireball effects from nuclear weapon
Inclusion Terms
  • Military operation involving acute radiation exposure from nuclear weapon
  • Military operation involving exposure to immediate ionizing radiation from nuclear weapon
  • Military operation involving fallout exposure from nuclear weapon
  • Military operation involving secondary effects of nuclear weapons
7th Character Guidance

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

7th Character Definitions
  • A: initial encounter
  • D: subsequent encounter
  • S: sequela

Child Codes (More Specific Codes for Y37):

Y37.0 - Military operations involving explosion of marine weapons Y37.00 - Military operations involving explosion of unspecified marine weapon Y37.000 - Military operations involving explosion of unspecified marine weapon, military personnel Y37.001 - Military operations involving explosion of unspecified marine weapon, civilian Y37.01 - Military operations involving explosion of depth-charge Y37.010 - Military operations involving explosion of depth-charge, military personnel Y37.011 - Military operations involving explosion of depth-charge, civilian Y37.02 - Military operations involving explosion of marine mine Y37.020 - Military operations involving explosion of marine mine, military personnel Y37.021 - Military operations involving explosion of marine mine, civilian Y37.03 - Military operations involving explosion of sea-based artillery shell Y37.030 - Military operations involving explosion of sea-based artillery shell, military personnel Y37.031 - Military operations involving explosion of sea-based artillery shell, civilian Y37.04 - Military operations involving explosion of torpedo Y37.040 - Military operations involving explosion of torpedo, military personnel Y37.041 - Military operations involving explosion of torpedo, civilian Y37.05 - Military operations involving accidental detonation of onboard marine weapons Y37.050 - Military operations involving accidental detonation of onboard marine weapons, military personnel Y37.051 - Military operations involving accidental detonation of onboard marine weapons, civilian Y37.09 - Military operations involving explosion of other marine weapons Y37.090 - Military operations involving explosion of other marine weapons, military personnel Y37.091 - Military operations involving explosion of other marine weapons, civilian Y37.1 - Military operations involving destruction of aircraft Y37.10 - Military operations involving unspecified destruction of aircraft Y37.100 - Military operations involving unspecified destruction of aircraft, military personnel Y37.101 - Military operations involving unspecified destruction of aircraft, civilian Y37.11 - Military operations involving destruction of aircraft due to enemy fire or explosives Y37.110 - Military operations involving destruction of aircraft due to enemy fire or explosives, military personnel Y37.111 - Military operations involving destruction of aircraft due to enemy fire or explosives, civilian Y37.12 - Military operations involving destruction of aircraft due to collision with other aircraft Y37.120 - Military operations involving destruction of aircraft due to collision with other aircraft, military personnel Y37.121 - Military operations involving destruction of aircraft due to collision with other aircraft, civilian Y37.13 - Military operations involving destruction of aircraft due to onboard fire Y37.130 - Military operations involving destruction of aircraft due to onboard fire, military personnel Y37.131 - Military operations involving destruction of aircraft due to onboard fire, civilian Y37.14 - Military operations involving destruction of aircraft due to accidental detonation of onboard munitions and explosives Y37.140 - Military operations involving destruction of aircraft due to accidental detonation of onboard munitions and explosives, military personnel Y37.141 - Military operations involving destruction of aircraft due to accidental detonation of onboard munitions and explosives, civilian Y37.19 - Military operations involving other destruction of aircraft Y37.190 - Military operations involving other destruction of aircraft, military personnel Y37.191 - Military operations involving other destruction of aircraft, civilian Y37.2 - Military operations involving other explosions and fragments Y37.20 - Military operations involving unspecified explosion and fragments Y37.200 - Military operations involving unspecified explosion and fragments, military personnel Y37.201 - Military operations involving unspecified explosion and fragments, civilian Y37.21 - Military operations involving explosion of aerial bomb Y37.210 - Military operations involving explosion of aerial bomb, military personnel Y37.211 - Military operations involving explosion of aerial bomb, civilian Y37.22 - Military operations involving explosion of guided missile Y37.220 - Military operations involving explosion of guided missile, military personnel Y37.221 - Military operations involving explosion of guided missile, civilian Y37.23 - Military operations involving explosion of improvised explosive device [IED] Y37.230 - Military operations involving explosion of improvised explosive device [IED], military personnel Y37.231 - Military operations involving explosion of improvised explosive device [IED], civilian Y37.24 - Military operations involving explosion due to accidental detonation and discharge of own munitions or munitions launch device Y37.240 - Military operations involving explosion due to accidental detonation and discharge of own munitions or munitions launch device, military personnel Y37.241 - Military operations involving explosion due to accidental detonation and discharge of own munitions or munitions launch device, civilian Y37.25 - Military operations involving fragments from munitions Y37.250 - Military operations involving fragments from munitions, military personnel Y37.251 - Military operations involving fragments from munitions, civilian Y37.26 - Military operations involving fragments of improvised explosive device [IED] Y37.260 - Military operations involving fragments of improvised explosive device [IED], military personnel Y37.261 - Military operations involving fragments of improvised explosive device [IED], civilian Y37.27 - Military operations involving fragments from weapons Y37.270 - Military operations involving fragments from weapons, military personnel Y37.271 - Military operations involving fragments from weapons, civilian Y37.29 - Military operations involving other explosions and fragments Y37.290 - Military operations involving other explosions and fragments, military personnel Y37.291 - Military operations involving other explosions and fragments, civilian Y37.3 - Military operations involving fires, conflagrations and hot substances Y37.30 - Military operations involving unspecified fire, conflagration and hot substance Y37.300 - Military operations involving unspecified fire, conflagration and hot substance, military personnel Y37.301 - Military operations involving unspecified fire, conflagration and hot substance, civilian Y37.31 - Military operations involving gasoline bomb Y37.310 - Military operations involving gasoline bomb, military personnel Y37.311 - Military operations involving gasoline bomb, civilian Y37.32 - Military operations involving incendiary bullet Y37.320 - Military operations involving incendiary bullet, military personnel Y37.321 - Military operations involving incendiary bullet, civilian Y37.33 - Military operations involving flamethrower Y37.330 - Military operations involving flamethrower, military personnel Y37.331 - Military operations involving flamethrower, civilian Y37.39 - Military operations involving other fires, conflagrations and hot substances Y37.390 - Military operations involving other fires, conflagrations and hot substances, military personnel Y37.391 - Military operations involving other fires, conflagrations and hot substances, civilian Y37.4 - Military operations involving firearm discharge and other forms of conventional warfare Y37.41 - Military operations involving rubber bullets Y37.410 - Military operations involving rubber bullets, military personnel Y37.411 - Military operations involving rubber bullets, civilian Y37.42 - Military operations involving firearms pellets Y37.420 - Military operations involving firearms pellets, military personnel Y37.421 - Military operations involving firearms pellets, civilian Y37.43 - Military operations involving other firearms discharge Y37.430 - Military operations involving other firearms discharge, military personnel Y37.431 - Military operations involving other firearms discharge, civilian Y37.44 - Military operations involving unarmed hand to hand combat Y37.440 - Military operations involving unarmed hand to hand combat, military personnel Y37.441 - Military operations involving unarmed hand to hand combat, civilian Y37.45 - Military operations involving combat using blunt or piercing object Y37.450 - Military operations involving combat using blunt or piercing object, military personnel Y37.451 - Military operations involving combat using blunt or piercing object, civilian Y37.46 - Military operations involving intentional restriction of air and airway Y37.460 - Military operations involving intentional restriction of air and airway, military personnel Y37.461 - Military operations involving intentional restriction of air and airway, civilian Y37.47 - Military operations involving unintentional restriction of air and airway Y37.470 - Military operations involving unintentional restriction of air and airway, military personnel Y37.471 - Military operations involving unintentional restriction of air and airway, civilian Y37.49 - Military operations involving other forms of conventional warfare Y37.490 - Military operations involving other forms of conventional warfare, military personnel Y37.491 - Military operations involving other forms of conventional warfare, civilian Y37.5 - Military operations involving nuclear weapons Y37.50 - Military operations involving unspecified effect of nuclear weapon Y37.500 - Military operations involving unspecified effect of nuclear weapon, military personnel Y37.501 - Military operations involving unspecified effect of nuclear weapon, civilian Y37.51 - Military operations involving direct blast effect of nuclear weapon Y37.510 - Military operations involving direct blast effect of nuclear weapon, military personnel Y37.511 - Military operations involving direct blast effect of nuclear weapon, civilian Y37.52 - Military operations involving indirect blast effect of nuclear weapon Y37.520 - Military operations involving indirect blast effect of nuclear weapon, military personnel Y37.521 - Military operations involving indirect blast effect of nuclear weapon, civilian Y37.53 - Military operations involving thermal radiation effect of nuclear weapon Y37.530 - Military operations involving thermal radiation effect of nuclear weapon, military personnel Y37.531 - Military operations involving thermal radiation effect of nuclear weapon, civilian Y37.54 - Military operation involving nuclear radiation effects of nuclear weapon Y37.540 - Military operation involving nuclear radiation effects of nuclear weapon, military personnel Y37.541 - Military operation involving nuclear radiation effects of nuclear weapon, civilian Y37.59 - Military operation involving other effects of nuclear weapons Y37.590 - Military operation involving other effects of nuclear weapons, military personnel Y37.591 - Military operation involving other effects of nuclear weapons, civilian Y37.6 - Military operations involving biological weapons Y37.6X - Military operations involving biological weapons Y37.6X0 - Military operations involving biological weapons, military personnel Y37.6X1 - Military operations involving biological weapons, civilian Y37.7 - Military operations involving chemical weapons and other forms of unconventional warfare Y37.7X - Military operations involving chemical weapons and other forms of unconventional warfare Y37.7X0 - Military operations involving chemical weapons and other forms of unconventional warfare, military personnel Y37.7X1 - Military operations involving chemical weapons and other forms of unconventional warfare, civilian Y37.9 - Other and unspecified military operations Y37.90 - Military operations, unspecified Y37.91 - Military operations involving unspecified weapon of mass destruction [WMD] Y37.92 - Military operations involving friendly fire

About ICD-10-CM Code Y37 (Military operations)

ICD-10-CM code Y37 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM Y37 became effective on October 1, 2024.

This page provides detailed information about Y37 - Military operations. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Military operations.