S20.223 Contusion of bilateral back wall of thoraxNon-billable ICD-10-CM code.
S20.221S Contusion of right back wall of thorax, sequelaS20.222 Contusion of left back wall of thoraxS20.222A Contusion of left back wall of thorax, initial encounterS20.222D Contusion of left back wall of thorax, subsequent encounterS20.222S Contusion of left back wall of thorax, sequelaS20.223 Contusion of bilateral back wall of thorax (this code)S20.223A Contusion of bilateral back wall of thorax, initial encounterS20.223D Contusion of bilateral back wall of thorax, subsequent encounterS20.223S Contusion of bilateral back wall of thorax, sequelaS20.224 Contusion of middle back wall of thoraxS20.224A Contusion of middle back wall of thorax, initial encounter