W33.1Non-billable (header)

Accidental rifle, shotgun and larger firearm malfunction

Related Codes· Exposure to inanimate mechanical forces (W20-W49)

W20.0Struck by falling object in cave-inW20.1Struck by object due to collapse of buildingW20.8Other cause of strike by thrown, projected or falling objectW21.0Struck by hit or thrown ball

Sub-codes of W33.1(5)

W33.1 is a non-billable header. Select a sub-code to bill. Sub-codes marked ⚠ require a 7th character — append A, D, or S (and an X placeholder if needed).

W33.10Accidental malfunction of unspecified larger firearm⚠ 7th charW33.11Accidental malfunction of shotgun⚠ 7th charW33.12Accidental malfunction of hunting rifle⚠ 7th charW33.13Accidental malfunction of machine gun⚠ 7th charW33.19Accidental malfunction of other larger firearm⚠ 7th char

Inclusion Terms

Code Hierarchy

┌20External causes of morbidity (V00-Y99)├W20-W49Exposure to inanimate mechanical forces (W20-W49)├W33Accidental rifle, shotgun and larger firearm discharge and malfunction
└W33.1Accidental rifle, shotgun and larger firearm malfunction

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