All ICD10 Codes

W34

Non-Billable
ChapterV00–Y99
Rankcategory
Official Description

Accidental discharge and malfunction from other and unspecified firearms and guns

Metadata & Insights
  • •2026 ICD-10-CM Edition - Effective October 1, 2025.
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 20: External Causes of Morbidity (V00-Y99).

W20-W49 Parent Instructions

Excludes1(Not coded here)
  • assault (X92-Y09)
  • contact or collision with animals or persons (W50-W64)
  • exposure to inanimate mechanical forces involving military or war operations (Y36.-, Y37.-)
  • intentional self-harm (X71-X83)

Clinical Hierarchy

CH20External causes of morbidity (V00-Y99)
W20-W49Exposure to inanimate mechanical forces (W20-W49)
W34Accidental discharge and malfunction from other and unspecified firearms and guns
W34.0Accidental discharge from other and unspecified firearms and guns
W34.1Accidental malfunction from other and unspecified firearms and guns

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to W34:

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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