S50.82 Blister (nonthermal) of forearmNon-billable header with 3 child codes.
S50.821 Blister (nonthermal) of right forearmS50.822 Blister (nonthermal) of left forearmS50.829 Blister (nonthermal) of unspecified forearmS50.812S Abrasion of left forearm, sequelaS50.819 Abrasion of unspecified forearmS50.819A Abrasion of unspecified forearm, initial encounterS50.819D Abrasion of unspecified forearm, subsequent encounterS50.819S Abrasion of unspecified forearm, sequelaS50.82 Blister (nonthermal) of forearm (this code)S50.821 Blister (nonthermal) of right forearmS50.821A Blister (nonthermal) of right forearm, initial encounterS50.821D Blister (nonthermal) of right forearm, subsequent encounterS50.821S Blister (nonthermal) of right forearm, sequelaS50.822 Blister (nonthermal) of left forearm