ICD-10-CM > V00-Y99 > W20-W49 > W34 > W34.0 > W34.01 > W34.018 W34.018 Accidental discharge of other gas, air or spring-operated gun Non-Billable/Non-Specific Codes W34.018A..., initial encounterW34.018D..., subsequent encounterW34.018S..., sequela