ICD-10-CM > V00-Y99 > W20-W49 > W34 > W34.1 > W34.11 > W34.110 W34.110 Accidental malfunction of airgun Non-Billable/Non-Specific Applicable To Accidental malfunction of BB gunAccidental malfunction of pellet gun Codes W34.110A..., initial encounterW34.110D..., subsequent encounterW34.110S..., sequela