ICD-10-CM > S00-T88 > S90-S99 > S90 > S90.5 > S90.56 > S90.569 S90.569 Insect bite (nonvenomous), unspecified ankle Non-Billable/Non-Specific Codes S90.569A..., initial encounterS90.569D..., subsequent encounterS90.569S..., sequela