ICD-10-CM > S00-T88 > S40-S49 > S40 > S40.8 > S40.85 S40.85 Superficial foreign body of upper arm Non-Billable/Non-Specific Applicable To Splinter in the upper arm Codes S40.851Superficial foreign body of right upper armS40.851A..., initial encounterS40.851D..., subsequent encounterS40.851S..., sequelaS40.852Superficial foreign body of left upper armS40.852A..., initial encounterS40.852D..., subsequent encounterS40.852S..., sequelaS40.859Superficial foreign body of unspecified upper armS40.859A..., initial encounterS40.859D..., subsequent encounterS40.859S..., sequela