ICD-10-CM > S00-T88 > S90-S99 > S90 > S90.8 > S90.86 > S90.861 S90.861 Insect bite (nonvenomous), right foot Non-Billable/Non-Specific Codes S90.861A..., initial encounterS90.861D..., subsequent encounterS90.861S..., sequela