ICD-10-CM > S00-T88 > S40-S49 > S40 > S40.8 > S40.85 > S40.859 S40.859 Superficial foreign body of unspecified upper arm Non-Billable/Non-Specific Codes S40.859A..., initial encounterS40.859D..., subsequent encounterS40.859S..., sequela