| W32 | Accidental handgun discharge and malfunction |
| W32.0 | Accidental handgun discharge |
| W32.1 | Accidental handgun malfunction |
| W33 | Accidental rifle, shotgun and larger firearm discharge and malfunction |
| W33.0 | Accidental rifle, shotgun and larger firearm discharge |
| W33.00 | Accidental discharge of unspecified larger firearm |
| W33.01 | Accidental discharge of shotgun |
| W33.02 | Accidental discharge of hunting rifle |
| W33.03 | Accidental discharge of machine gun |
| W33.09 | Accidental discharge of other larger firearm |
| W33.1 | Accidental rifle, shotgun and larger firearm malfunction |
| W33.10 | Accidental malfunction of unspecified larger firearm |
| W33.11 | Accidental malfunction of shotgun |
| W33.12 | Accidental malfunction of hunting rifle |
| W33.13 | Accidental malfunction of machine gun |
| W33.19 | Accidental malfunction of other larger firearm |
| W34 | Accidental discharge and malfunction from other and unspecified firearms and guns |
| W34.0 | Accidental discharge from other and unspecified firearms and guns |
| W34.00 | Accidental discharge from unspecified firearms or gun |
| W34.01 | Accidental discharge of gas, air or spring-operated guns |
| W34.010 | Accidental discharge of airgun |
| W34.011 | Accidental discharge of paintball gun |
| W34.018 | Accidental discharge of other gas, air or spring-operated gun |
| W34.09 | Accidental discharge from other specified firearms |
| W34.1 | Accidental malfunction from other and unspecified firearms and guns |
| W34.10 | Accidental malfunction from unspecified firearms or gun |
| W34.11 | Accidental malfunction of gas, air or spring-operated guns |
| W34.110 | Accidental malfunction of airgun |
| W34.111 | Accidental malfunction of paintball gun |
| W34.118 | Accidental malfunction of other gas, air or spring-operated gun |
| W34.19 | Accidental malfunction from other specified firearms |
| W35 | Explosion and rupture of boiler |
| W36 | Explosion and rupture of gas cylinder |
| W36.1 | Explosion and rupture of aerosol can |
| W36.2 | Explosion and rupture of air tank |
| W36.3 | Explosion and rupture of pressurized-gas tank |
| W36.8 | Explosion and rupture of other gas cylinder |
| W36.9 | Explosion and rupture of unspecified gas cylinder |
| W37 | Explosion and rupture of pressurized tire, pipe or hose |
| W37.0 | Explosion of bicycle tire |
| W37.8 | Explosion and rupture of other pressurized tire, pipe or hose |
| W38 | Explosion and rupture of other specified pressurized devices |
| W39 | Discharge of firework |
| W40 | Explosion of other materials |
| W40.0 | Explosion of blasting material |
| W40.1 | Explosion of explosive gases |
| W40.8 | Explosion of other specified explosive materials |
| W40.9 | Explosion of unspecified explosive materials |