ICD-10-CM W32: Accidental handgun discharge and malfunction

ICD-10-CM Diagnosis Code (2025)

Official Description for W32

Accidental handgun discharge and malfunction

Coding Notes & Guidelines for W32

Includes Notes
  • accidental discharge and malfunction of gun for single hand use
  • accidental discharge and malfunction of pistol
  • accidental discharge and malfunction of revolver
  • Handgun discharge and malfunction NOS
Excludes1: Not Coded Here
  • accidental airgun discharge and malfunction (W34.010, W34.110)
  • accidental BB gun discharge and malfunction (W34.010, W34.110)
  • accidental pellet gun discharge and malfunction (W34.010, W34.110)
  • accidental shotgun discharge and malfunction (W33.01, W33.11)
  • assault by handgun discharge (X93)
  • handgun discharge involving legal intervention (Y35.0-)
  • handgun discharge involving military or war operations (Y36.4-)
  • intentional self-harm by handgun discharge (X72)
  • Very pistol discharge and malfunction (W34.09, W34.19)
Inclusion Terms
  • Injury due to explosion of handgun (parts)
  • Injury due to malfunction of mechanism or component of handgun
  • Injury due to recoil of handgun
  • Powder burn from handgun
7th Character Guidance

The appropriate 7th character is to be added to each code from category W32

7th Character Definitions
  • A: initial encounter
  • D: subsequent encounter
  • S: sequela

Child Codes (More Specific Codes for W32):

About ICD-10-CM Code W32 (Accidental handgun discharge and malfunction)

ICD-10-CM code W32 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 W32 became effective on October 1, 2024.

This page provides detailed information about W32 - Accidental handgun discharge and malfunction. 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 handgun discharge and malfunction.