ICD-10-CM Book 2024 Edition

Chapters  /  Chapter 20  /  W20-W49  /  W33
W33 Accidental rifle, shotgun and larger firearm discharge and malfunction
Includes rifle, shotgun and larger firearm discharge and malfunction NOS
Excludes1 accidental airgun discharge and malfunction (W34.010, W34.110)
accidental BB gun discharge and malfunction (W34.010, W34.110)
accidental handgun discharge and malfunction (W32.-)
accidental pellet gun discharge and malfunction (W34.010, W34.110)
assault by rifle, shotgun and larger firearm discharge (X94)
firearm discharge involving legal intervention (Y35.0-)
firearm discharge involving military or war operations (Y36.4-)
intentional self-harm by rifle, shotgun and larger firearm discharge (X73)
char7Note The appropriate 7th character is to be added to each code from category W33
char7Def A: initial encounter
D: subsequent encounter
S: sequela
W33.0 Accidental rifle, shotgun and larger firearm discharge
W33.00 Accidental discharge of unspecified larger firearm
Discharge of unspecified larger firearm NOS
W33.01 Accidental discharge of shotgun
Discharge of shotgun NOS
W33.02 Accidental discharge of hunting rifle
Discharge of hunting rifle NOS
W33.03 Accidental discharge of machine gun
Discharge of machine gun NOS
W33.09 Accidental discharge of other larger firearm
Discharge of other larger firearm NOS
W33.1 Accidental rifle, shotgun and larger firearm malfunction
Injury due to explosion of rifle, shotgun and larger firearm (parts)
Injury due to malfunction of mechanism or component of rifle, shotgun and larger firearm
Injury due to piercing, cutting, crushing or pinching due to (by) slide trigger mechanism, scope or other gun part
Injury due to recoil of rifle, shotgun and larger firearm
Powder burn from rifle, shotgun and larger firearm
W33.10 Accidental malfunction of unspecified larger firearm
Malfunction of unspecified larger firearm NOS
W33.11 Accidental malfunction of shotgun
Malfunction of shotgun NOS
W33.12 Accidental malfunction of hunting rifle
Malfunction of hunting rifle NOS
W33.13 Accidental malfunction of machine gun
Malfunction of machine gun NOS
W33.19 Accidental malfunction of other larger firearm
Malfunction of other larger firearm NOS