ICD-10-CM > S00-T88 > S90-S99 > S90 > S90.5 > S90.56 S90.56 Insect bite (nonvenomous) of ankle Non-Billable/Non-Specific Codes S90.561Insect bite (nonvenomous), right ankleS90.561A..., initial encounterS90.561D..., subsequent encounterS90.561S..., sequelaS90.562Insect bite (nonvenomous), left ankleS90.562A..., initial encounterS90.562D..., subsequent encounterS90.562S..., sequelaS90.569Insect bite (nonvenomous), unspecified ankleS90.569A..., initial encounterS90.569D..., subsequent encounterS90.569S..., sequela