S50.821 Blister (nonthermal) of right forearmNon-billable ICD-10-CM code.
S50.819 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 forearmS50.821 Blister (nonthermal) of right forearm (this code)S50.821A 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 forearmS50.822A Blister (nonthermal) of left forearm, initial encounter