All ICD10 Codes

W34

Non-Billable
ChapterV00–Y99
Rankcategory
Description

Accidental discharge and malfunction from other and unspecified firearms and guns

About ICD-10-CM code W34

Accidental discharge and malfunction from other and unspecified firearms and guns is classified in ICD-10-CM as code W34, part of V00-Y99 External Causes of Morbidity, within Exposure to inanimate mechanical forces (W20-W49). Its status is non-billable, meaning reporting it requires a deeper, more specific code.

Use a more specific code (0 billable, 2 non-billable)
W34.0Accidental discharge from other and unspecified firearms and gunshas subcodesW34.1Accidental malfunction from other and unspecified firearms and gunshas subcodes
Metadata & Insights
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 20: External Causes of Morbidity (V00-Y99).

W20-W49 Parent Instructions

Excludes1(Not coded here. Use a different code.)
  • 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

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

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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