W32.0 – Accidental handgun discharge
ICD-10-CM 2027 diagnosis code · Exposure to inanimate mechanical forces
- Code
W32.0(claims format:W320)- Description
- Accidental handgun discharge
- Billable
- No – use a more specific code below
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 20. External causes of morbidity (V00-Y99)
- Block
- W20-W49 Exposure to inanimate mechanical forces
- Parent codes
- W32
Billable codes under W32.0
W32.0 is a header code and cannot be used on claims. Choose the most specific code:
7th character values
Codes in this category need a 7th character to describe the encounter or episode of care (use placeholder X for empty positions).
| Character | Meaning |
|---|---|
A | initial encounter |
D | subsequent encounter |
S | sequela |
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
W32 – Accidental handgun discharge and malfunction
- 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
- 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)
- The appropriate 7th character is to be added to each code from category W32
Block W20-W49
Related codes in W32
Frequently asked questions
What is ICD-10 code W32.0?
W32.0 is the ICD-10-CM code for accidental handgun discharge, in the block W20-W49 (Exposure to inanimate mechanical forces).
Is W32.0 a billable code?
No. W32.0 is a header code with more specific child codes; report one of the billable codes listed above.
What category does W32.0 belong to?
It belongs to category W32 – Accidental handgun discharge and malfunction.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.