ICD-10-CM > S00-T88 > S00-S09 > S00 > S00.5 > S00.50 S00.50 Unspecified superficial injury of lip and oral cavity Non-Billable/Non-Specific Codes S00.501Unspecified superficial injury of lipS00.501A..., initial encounterS00.501D..., subsequent encounterS00.501S..., sequelaS00.502Unspecified superficial injury of oral cavityS00.502A..., initial encounterS00.502D..., subsequent encounterS00.502S..., sequela