ICD-10-CM > V00-Y99 > W20-W49 > W33 > W33.1 > W33.11 W33.11 Accidental malfunction of shotgun Non-Billable/Non-Specific Applicable To Malfunction of shotgun NOS Codes W33.11XA..., initial encounterW33.11XD..., subsequent encounterW33.11XS..., sequela