S20.323 Blister (nonthermal) of bilateral front wall of thoraxNon-billable ICD-10-CM code.
S20.321S Blister (nonthermal) of right front wall of thorax, sequelaS20.322 Blister (nonthermal) of left front wall of thoraxS20.322A Blister (nonthermal) of left front wall of thorax, initial encounterS20.322D Blister (nonthermal) of left front wall of thorax, subsequent encounterS20.322S Blister (nonthermal) of left front wall of thorax, sequelaS20.323 Blister (nonthermal) of bilateral front wall of thorax (this code)S20.323A Blister (nonthermal) of bilateral front wall of thorax, initial encounterS20.323D Blister (nonthermal) of bilateral front wall of thorax, subsequent encounterS20.323S Blister (nonthermal) of bilateral front wall of thorax, sequelaS20.324 Blister (nonthermal) of middle front wall of thoraxS20.324A Blister (nonthermal) of middle front wall of thorax, initial encounter