ICD-10-CM > S00-T88 > S40-S49 > S40 > S40.8 > S40.86 > S40.861 S40.861 Insect bite (nonvenomous) of right upper arm Non-Billable/Non-Specific Codes S40.861A..., initial encounterS40.861D..., subsequent encounterS40.861S..., sequela