ICD-10-CM External Cause Index · FY 2026 188 Entries
Explosion in the External Cause Index ICD-10-CM
The main term Explosion (accidental) (of) (with secondary fire) carries 188 external cause index entries pointing to 65 ICD-10-CM codes. The default entry is W40.9, the code the bare main term maps to; every indented line below refines the event by vehicle, object, place, or intent. External cause codes are reported after the injury code; verify the 7th character on the code page.
✓ Built from the official CMS FY 2026 index fileEffective Oct 1, 2025 – Sep 30, 2026
188
Index Entries
65
Codes Referenced
W40.9
Default Code
E
Letter
188 of 188 shown
ICD-10-CM
Index Entries Under Explosion 188 entries · 65 codes
Explosion (accidental) (of) (with secondary fire) W40.9 Non-billable
acetylene W40.1 Non-billable
aerosol can W36.1 Non-billable
air tank (compressed) (in machinery) W36.2 Non-billable
aircraft (in transit) (powered) NEC V95.9 Non-billable
balloon V96.05 Non-billable
fixed wing NEC (private) V95.25 Non-billable
commercial V95.35 Non-billable
glider V96.25 Non-billable
hang V96.15 Non-billable
powered V95.15 Non-billable
helicopter V95.05 Non-billable
in war operations see War operations, destruction of aircraft
microlight V95.15 Non-billable
nonpowered V96.9 Non-billable
specified NEC V96.8 Non-billable
powered NEC V95.8 Non-billable
stated as
homicide (attempt) Y08.81 Non-billable
suicide (attempt) X83.0 Non-billable
ultralight V95.15 Non-billable
anesthetic gas in operating room W40.1 Non-billable
antipersonnel bomb W40.8 Non-billable
assault X96.0 Non-billable
homicide (attempt) X96.0 Non-billable
suicide (attempt) X75 Non-billable
assault X96.9 Non-billable
bicycle tire W37.0 Non-billable
blasting (cap) (materials) W40.0 Non-billable
boiler (machinery), not on transport vehicle W35 Non-billable
on watercraft see Explosion, in, watercraft
butane W40.1 Non-billable
caused by other person X96.9 Non-billable
coal gas W40.1 Non-billable
detonator W40.0 Non-billable
dump (munitions) W40.8 Non-billable
dynamite W40.0 Non-billable
in
assault X96.8 Non-billable
homicide (attempt) X96.8 Non-billable
legal intervention
injuring
bystander Y35.112 Non-billable
law enforcement personnel Y35.111 Non-billable
suspect Y35.113 Non-billable
unspecified person Y35.119 Non-billable
suicide (attempt) X75 Non-billable
explosive (material) W40.9 Non-billable
gas W40.1 Non-billable
in blasting operation W40.0 Non-billable
specified NEC W40.8 Non-billable
in
assault X96.8 Non-billable
homicide (attempt) X96.8 Non-billable
legal intervention
injuring
bystander Y35.192 Non-billable
law enforcement personnel Y35.191 Non-billable
suspect Y35.193 Non-billable
unspecified person Y35.199 Non-billable
suicide (attempt) X75 Non-billable
factory (munitions) W40.8 Non-billable
fertilizer bomb W40.8 Non-billable
assault X96.3 Non-billable
homicide (attempt) X96.3 Non-billable
suicide (attempt) X75 Non-billable
firearm (parts) NEC W34.19 Non-billable
airgun W34.110 Non-billable
BB gun W34.110 Non-billable
gas, air or spring-operated gun NEC W34.118 Non-billable
handgun W32.1 Non-billable
hunting rifle W33.12 Non-billable
larger firearm W33.10 Non-billable
specified NEC W33.19 Non-billable
machine gun W33.13 Non-billable
paintball gun W34.111 Non-billable
pellet gun W34.110 Non-billable
shotgun W33.11 Non-billable
Very pistol [flare] W34.19 Non-billable
fire-damp W40.1 Non-billable
fireworks W39 Non-billable
gas (coal) (explosive) W40.1 Non-billable
cylinder W36.9 Non-billable
aerosol can W36.1 Non-billable
air tank W36.2 Non-billable
pressurized W36.3 Non-billable
specified NEC W36.8 Non-billable
gasoline (fumes) (tank) not in moving motor vehicle W40.1 Non-billable
bomb W40.8 Non-billable
assault X96.1 Non-billable
homicide (attempt) X96.1 Non-billable
suicide (attempt) X75 Non-billable
in motor vehicle see Accident, transport, by type of vehicle
grain store W40.8 Non-billable
grenade W40.8 Non-billable
in
assault X96.8 Non-billable
homicide (attempt) X96.8 Non-billable
legal intervention
injuring
bystander Y35.192 Non-billable
law enforcement personnel Y35.191 Non-billable
suspect Y35.193 Non-billable
unspecified person Y35.199 Non-billable
suicide (attempt) X75 Non-billable
handgun (parts) see Explosion, firearm, handgun
homicide (attempt) X96.9 Non-billable
antipersonnel bomb see Explosion, antipersonnel bomb
fertilizer bomb see Explosion, fertilizer bomb
gasoline bomb see Explosion, gasoline bomb
letter bomb see Explosion, letter bomb
pipe bomb see Explosion, pipe bomb
specified NEC X96.8 Non-billable
hose, pressurized W37.8 Non-billable
hot water heater, tank (in machinery) W35 Non-billable
on watercraft see Explosion, in, watercraft
in, on
dump W40.8 Non-billable
factory W40.8 Non-billable
mine (of explosive gases) NEC W40.1 Non-billable
watercraft V93.59 Non-billable
powered craft V93.53 Non-billable
ferry boat V93.51 Non-billable
fishing boat V93.52 Non-billable
jetskis V93.53 Non-billable
liner V93.51 Non-billable
merchant ship V93.50 Non-billable
passenger ship V93.51 Non-billable
sailboat V93.54 Non-billable
letter bomb W40.8 Non-billable
assault X96.2 Non-billable
homicide (attempt) X96.2 Non-billable
suicide (attempt) X75 Non-billable
machinery see also Contact, with, by type of machine
on board watercraft see Explosion, in, watercraft
pressure vessel see Explosion, by type of vessel
methane W40.1 Non-billable
mine W40.1 Non-billable
missile NEC W40.8 Non-billable
mortar bomb W40.8 Non-billable
in
assault X96.8 Non-billable
homicide (attempt) X96.8 Non-billable
legal intervention
injuring
bystander Y35.192 Non-billable
law enforcement personnel Y35.191 Non-billable
suspect Y35.193 Non-billable
unspecified person Y35.199 Non-billable
suicide (attempt) X75 Non-billable
munitions (dump) (factory) W40.8 Non-billable
pipe, pressurized W37.8 Non-billable
bomb W40.8 Non-billable
assault X96.4 Non-billable
homicide (attempt) X96.4 Non-billable
suicide (attempt) X75 Non-billable
pressure, pressurized
cooker W38 Non-billable
gas tank (in machinery) W36.3 Non-billable
hose W37.8 Non-billable
pipe W37.8 Non-billable
specified device NEC W38 Non-billable
tire W37.8 Non-billable
bicycle W37.0 Non-billable
vessel (in machinery) W38 Non-billable
propane W40.1 Non-billable
self-inflicted X75 Non-billable
shell (artillery) NEC W40.8 Non-billable
during war operations see War operations, explosion
in
legal intervention
injuring
bystander Y35.122 Non-billable
law enforcement personnel Y35.121 Non-billable
suspect Y35.123 Non-billable
unspecified person Y35.129 Non-billable
war see War operations, explosion
spacecraft V95.45 Non-billable
steam or water lines (in machinery) W37.8 Non-billable
stove W40.9 Non-billable
stated as undetermined whether accidental or intentional Y25 Non-billable
suicide (attempt) X75 Non-billable
tire, pressurized W37.8 Non-billable
bicycle W37.0 Non-billable
undetermined whether accidental or intentional Y25 Non-billable
vehicle tire NEC W37.8 Non-billable
bicycle W37.0 Non-billable
war operations see War operations, explosion
The info icon previews the code's description and billable status; the code link opens its full page with all notations.
Related Index Terms
Source: Centers for Medicare & Medicaid Services, FY 2026 ICD-10-CM External Cause of Injuries Index release files, effective October 1, 2025 through September 30, 2026.
