W33.19Header code — not billable
Accidental malfunction of other larger firearm
- Chapter
- 20. External causes of morbidity
- Category
- W33
- Effective date
- October 1, 2026
Related codes in category W33
W33Acc rifle, shotgun and larger firearm discharge and malfunctW33.0Accidental rifle, shotgun and larger firearm dischargeW33.00Accidental discharge of unspecified larger firearmW33.00XAAccidental discharge of unsp larger firearm, init encntrYesW33.00XDAccidental discharge of unsp larger firearm, subs encntrYesW33.00XSAccidental discharge of unspecified larger firearm, sequelaYesW33.01Accidental discharge of shotgunW33.01XAAccidental discharge of shotgun, initial encounterYesW33.01XDAccidental discharge of shotgun, subsequent encounterYesW33.01XSAccidental discharge of shotgun, sequelaYesW33.02Accidental discharge of hunting rifleW33.02XAAccidental discharge of hunting rifle, initial encounterYes
Frequently asked questions
What is ICD-10 code W33.19?
W33.19 is an ICD-10-CM diagnosis code for Accidental malfunction of other larger firearm.
Is W33.19 a billable code?
No. W33.19 is a category/header code, not billable on its own — use one of its more specific child codes instead.
What ICD-10-CM chapter is W33.19 in?
W33.19 falls under Chapter 20: External causes of morbidity.
When did W33.19 become effective?
W33.19 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to W33.19?
W33.19 belongs to category W33, which includes 12 other codes — see the related codes list on this page.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.