ICD-10-CM FY2027 diagnosis code

W33: Accidental rifle, shotgun and larger firearm discharge and malfunction

Header code: not billableValid for dates of service October 1, 2026 to September 30, 2027

W33 groups related diagnoses under accidental rifle, shotgun and larger firearm discharge and malfunction. It cannot be used on a claim by itself. Choose the billable code below that matches the patient's record.

W33 questions

Is W33 a billable code?

No. W33 is a header code that groups 0 more specific codes. Use one of the billable codes listed on this page instead.

What does W33 mean?

W33 is the ICD-10-CM code for Accidental rifle, shotgun and larger firearm discharge and malfunction. It is in chapter 21, External causes of morbidity (V00-Y99).

Code titles come from the official ICD-10-CM files published by the CDC National Center for Health Statistics. Always check payer rules and the clinical record before billing.