ICD-10-CM > S00-T88 > S80-S89 > S80 > S80.8 > S80.86 S80.86 Insect bite (nonvenomous) of lower leg Non-Billable/Non-Specific Codes S80.861Insect bite (nonvenomous), right lower legS80.861A..., initial encounterS80.861D..., subsequent encounterS80.861S..., sequelaS80.862Insect bite (nonvenomous), left lower legS80.862A..., initial encounterS80.862D..., subsequent encounterS80.862S..., sequelaS80.869Insect bite (nonvenomous), unspecified lower legS80.869A..., initial encounterS80.869D..., subsequent encounterS80.869S..., sequela