ICD-10-CM Diagnosis Code (2025)
Official Description for W34
Accidental discharge and malfunction from other and unspecified firearms and guns
Coding Notes & Guidelines for W34
- Discharge from firearm NOS
- Gunshot wound NOS
- Shot NOS
- Accidental discharge of BB gun
- Accidental discharge of pellet gun
Accidental injury due to paintball discharge
Accidental discharge from Very pistol [flare]
Firearm malfunction NOS
- Accidental malfunction of BB gun
- Accidental malfunction of pellet gun
Accidental injury due to paintball gun malfunction
Accidental malfunction from Very pistol [flare]
The appropriate 7th character is to be added to each code from category W34
- A: initial encounter
- D: subsequent encounter
- S: sequela
Child Codes (More Specific Codes for W34):
About ICD-10-CM Code W34 (Accidental discharge and malfunction from other and unspecified firearms and guns)
ICD-10-CM code W34 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM W34 became effective on October 1, 2024.
This page provides detailed information about W34 - Accidental discharge and malfunction from other and unspecified firearms and guns. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Accidental discharge and malfunction from other and unspecified firearms and guns.