S40.02Non-Billable (Header)Contusion of upper armChild CodesS40.021Contusion of right upper armS40.022Contusion of left upper armS40.029Contusion of unspecified upper armCode Hierarchy└S40Superficial injury of shoulder and upper arm└S40.0Contusion of shoulder and upper arm└S40.02Contusion of upper arm└S40.02Contusion of upper arm