| ICD-10 Code | Description |
| W33.10XA | Accidental malfunction of unspecified larger firearm, initial encounter |
| W33.10XD | Accidental malfunction of unspecified larger firearm, subsequent encounter |
| W33.10XS | Accidental malfunction of unspecified larger firearm, sequela |
| W33.11XA | Accidental malfunction of shotgun, initial encounter |
| W33.11XD | Accidental malfunction of shotgun, subsequent encounter |
| W33.11XS | Accidental malfunction of shotgun, sequela |
| W33.12XA | Accidental malfunction of hunting rifle, initial encounter |
| W33.12XD | Accidental malfunction of hunting rifle, subsequent encounter |
| W33.12XS | Accidental malfunction of hunting rifle, sequela |
| W33.13XA | Accidental malfunction of machine gun, initial encounter |
| W33.13XD | Accidental malfunction of machine gun, subsequent encounter |
| W33.13XS | Accidental malfunction of machine gun, sequela |
| W33.19XA | Accidental malfunction of other larger firearm, initial encounter |
| W33.19XD | Accidental malfunction of other larger firearm, subsequent encounter |
| W33.19XS | Accidental malfunction of other larger firearm, sequela |
