ICD-10-CM > S00-T88 > S80-S89 > S80 > S80.2 > S80.26 > S80.269 S80.269 Insect bite (nonvenomous), unspecified knee Non-Billable/Non-Specific Codes S80.269A..., initial encounterS80.269D..., subsequent encounterS80.269S..., sequela