All ICD10 Codes

W33.10

Billable
ChapterV00–Y99
Ranksubcategory
Official Description

Accidental malfunction of unspecified larger firearm

Metadata & Insights
  • •Billable/specific code (valid for reimbursement).
  • •Chapter 20: External Causes of Morbidity (V00-Y99).

Instructional Notes

Includes
  • Malfunction of unspecified larger firearm NOS
General instructions are available for the parent sections:
View W20-W49 NotesView W33 NotesView W33.1 Notes

Clinical Hierarchy

BillableHas subcodes
CH20External 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
W33.10Accidental malfunction of unspecified larger firearmBillable
W33.10XAAccidental malfunction of unspecified larger firearm, initial encounterBillable
W33.10XDAccidental malfunction of unspecified larger firearm, subsequent encounterBillable
W33.10XSAccidental malfunction of unspecified larger firearm, sequelaBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to W33.10:

subcategoryW33.1
Accidental rifle, shotgun and larger firearm malfunction
View context instructions
categoryW33
Accidental rifle, shotgun and larger firearm discharge and malfunction
View context instructions
blockW20-W49
Exposure to inanimate mechanical forces (W20-W49)
View context instructions

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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