ICD-10-CM > S00-T88 > S50-S59 > S50 > S50.8 > S50.86 > S50.861 S50.861 Insect bite (nonvenomous) of right forearm Non-Billable/Non-Specific Codes S50.861A..., initial encounterS50.861D..., subsequent encounterS50.861S..., sequela