ICD-10-CM > S00-T88 > S40-S49 > S40 > S40.8 > S40.81 S40.81 Abrasion of upper arm Non-Billable/Non-Specific Codes S40.811Abrasion of right upper armS40.811A..., initial encounterS40.811D..., subsequent encounterS40.811S..., sequelaS40.812Abrasion of left upper armS40.812A..., initial encounterS40.812D..., subsequent encounterS40.812S..., sequelaS40.819Abrasion of unspecified upper armS40.819A..., initial encounterS40.819D..., subsequent encounterS40.819S..., sequela