S40.81Non-Billable (Header)Abrasion of upper armChild CodesS40.811Abrasion of right upper armS40.812Abrasion of left upper armS40.819Abrasion of unspecified upper armCode Hierarchy└S40Superficial injury of shoulder and upper arm└S40.8Other superficial injuries of upper arm└S40.81Abrasion of upper arm└S40.81Abrasion of upper arm