| S21.411 | Laceration without foreign body of right back wall of thorax with penetration into thoracic cavity | NON-BILLABLE CODE |
| S21.411A | Laceration without foreign body of right back wall of thorax with penetration into thoracic cavity, initial encounter | BILLABLE CODE |
| S21.411D | Laceration without foreign body of right back wall of thorax with penetration into thoracic cavity, subsequent encounter | BILLABLE CODE |
| S21.411S | Laceration without foreign body of right back wall of thorax with penetration into thoracic cavity, sequela | BILLABLE CODE |
| S21.412 | Laceration without foreign body of left back wall of thorax with penetration into thoracic cavity | NON-BILLABLE CODE |
| S21.412A | Laceration without foreign body of left back wall of thorax with penetration into thoracic cavity, initial encounter | BILLABLE CODE |
| S21.412D | Laceration without foreign body of left back wall of thorax with penetration into thoracic cavity, subsequent encounter | BILLABLE CODE |
| S21.412S | Laceration without foreign body of left back wall of thorax with penetration into thoracic cavity, sequela | BILLABLE CODE |
| S21.419 | Laceration without foreign body of unspecified back wall of thorax with penetration into thoracic cavity | NON-BILLABLE CODE |
| S21.419A | Laceration without foreign body of unspecified back wall of thorax with penetration into thoracic cavity, initial encounter | BILLABLE CODE |
| S21.419D | Laceration without foreign body of unspecified back wall of thorax with penetration into thoracic cavity, subsequent encounter | BILLABLE CODE |
| S21.419S | Laceration without foreign body of unspecified back wall of thorax with penetration into thoracic cavity, sequela | BILLABLE CODE |
