S21.429 Laceration with foreign body of unspecified back wall of thorax with penetration into thoracic cavityNon-billable ICD-10-CM code.
S23.1 Subluxation and dislocation of thoracic vertebra ("open wound of thorax (S21.-)")S24 Injury of nerves and spinal cord at thorax level ("open wound of thorax (S21.-)")S25 Injury of blood vessels of thorax ("any associated open wound (S21.-)")S26 Injury of heart ("open wound of thorax (S21.-)")S27 Injury of other and unspecified intrathoracic organs ("any associated open wound of thorax (S21.-)")S29 Other and unspecified injuries of thorax ("any associated open wound (S21.-)")S21.421S Laceration with foreign body of right back wall of thorax with penetration into thoracic cavity, sequelaS21.422 Laceration with foreign body of left back wall of thorax with penetration into thoracic cavityS21.422A Laceration with foreign body of left back wall of thorax with penetration into thoracic cavity, initial encounterS21.422D Laceration with foreign body of left back wall of thorax with penetration into thoracic cavity, subsequent encounterS21.422S Laceration with foreign body of left back wall of thorax with penetration into thoracic cavity, sequelaS21.429 Laceration with foreign body of unspecified back wall of thorax with penetration into thoracic cavity (this code)S21.429A Laceration with foreign body of unspecified back wall of thorax with penetration into thoracic cavity, initial encounterS21.429D Laceration with foreign body of unspecified back wall of thorax with penetration into thoracic cavity, subsequent encounterS21.429S Laceration with foreign body of unspecified back wall of thorax with penetration into thoracic cavity, sequelaS21.43 Puncture wound without foreign body of back wall of thorax with penetration into thoracic cavityS21.431 Puncture wound without foreign body of right back wall of thorax with penetration into thoracic cavity