ICD-10-CM > S00-T88 > S00-S09 > S00 > S00.5 > S00.55 S00.55 Superficial foreign body of lip and oral cavity Non-Billable/Non-Specific Codes S00.551Superficial foreign body of lipS00.551A..., initial encounterS00.551D..., subsequent encounterS00.551S..., sequelaS00.552Superficial foreign body of oral cavityS00.552A..., initial encounterS00.552D..., subsequent encounterS00.552S..., sequela