ICD-10-CM > S00-T88 > S00-S09 > S00 > S00.5 > S00.55 > S00.551 S00.551 Superficial foreign body of lip Non-Billable/Non-Specific Applicable To Splinter of lip and oral cavity Codes S00.551A..., initial encounterS00.551D..., subsequent encounterS00.551S..., sequela