ICD-10-CM > S00-T88 > S80-S89 > S80 > S80.9 S80.9 Unspecified superficial injury of knee and lower leg Non-Billable/Non-Specific Codes S80.91Unspecified superficial injury of kneeS80.911Unspecified superficial injury of right kneeS80.911A..., initial encounterS80.911D..., subsequent encounterS80.911S..., sequelaS80.912Unspecified superficial injury of left kneeS80.912A..., initial encounterS80.912D..., subsequent encounterS80.912S..., sequelaS80.919Unspecified superficial injury of unspecified kneeS80.919A..., initial encounterS80.919D..., subsequent encounterS80.919S..., sequelaS80.92Unspecified superficial injury of lower legS80.921Unspecified superficial injury of right lower legS80.921A..., initial encounterS80.921D..., subsequent encounterS80.921S..., sequelaS80.922Unspecified superficial injury of left lower legS80.922A..., initial encounterS80.922D..., subsequent encounterS80.922S..., sequelaS80.929Unspecified superficial injury of unspecified lower legS80.929A..., initial encounterS80.929D..., subsequent encounterS80.929S..., sequela