ICD-10-CM > V00-Y99 > W20-W49 > W44 > W44.A > W44.A0 W44.A0 Battery unspecified, entering into or through a natural orifice Non-Billable/Non-Specific Codes W44.A0XA..., initial encounterW44.A0XD..., subsequent encounterW44.A0XS..., sequela