S90.81Non-Billable (Header)Abrasion of footChild CodesS90.811Abrasion, right footS90.812Abrasion, left footS90.819Abrasion, unspecified footCode Hierarchy└S90Superficial injury of ankle, foot and toes└S90.8Other superficial injuries of foot└S90.81Abrasion of foot└S90.81Abrasion of foot