ICD-10-CM > S00-T88 > S20-S29 > S21 > S21.3 > S21.32 S21.32 Laceration with foreign body of front wall of thorax with penetration into thoracic cavity Non-Billable/Non-Specific Codes S21.321Laceration with foreign body of right front wall of thorax with penetration into thoracic cavityS21.321A..., initial encounterS21.321D..., subsequent encounterS21.321S..., sequelaS21.322Laceration with foreign body of left front wall of thorax with penetration into thoracic cavityS21.322A..., initial encounterS21.322D..., subsequent encounterS21.322S..., sequelaS21.329Laceration with foreign body of unspecified front wall of thorax with penetration into thoracic cavityS21.329A..., initial encounterS21.329D..., subsequent encounterS21.329S..., sequela