S40.82 Blister (nonthermal) of upper armNon-billable header with 3 child codes.
S40.821 Blister (nonthermal) of right upper armS40.822 Blister (nonthermal) of left upper armS40.829 Blister (nonthermal) of unspecified upper armS40.812S Abrasion of left upper arm, sequelaS40.819 Abrasion of unspecified upper armS40.819A Abrasion of unspecified upper arm, initial encounterS40.819D Abrasion of unspecified upper arm, subsequent encounterS40.819S Abrasion of unspecified upper arm, sequelaS40.82 Blister (nonthermal) of upper arm (this code)S40.821 Blister (nonthermal) of right upper armS40.821A Blister (nonthermal) of right upper arm, initial encounterS40.821D Blister (nonthermal) of right upper arm, subsequent encounterS40.821S Blister (nonthermal) of right upper arm, sequelaS40.822 Blister (nonthermal) of left upper arm