ICD-10-CM > S00-T88 > S90-S99 > S90 > S90.5 > S90.56 > S90.561 S90.561 Insect bite (nonvenomous), right ankle Non-Billable/Non-Specific Codes S90.561A..., initial encounterS90.561D..., subsequent encounterS90.561S..., sequela