ICD-10-CM > S00-T88 > S50-S59 > S50 > S50.8 > S50.86 > S50.862 S50.862 Insect bite (nonvenomous) of left forearm Non-Billable/Non-Specific Codes S50.862A..., initial encounterS50.862D..., subsequent encounterS50.862S..., sequela