ICD-10-CM > S00-T88 > S20-S29 > S21 > S21.1 > S21.12 > S21.129 S21.129 Laceration with foreign body of unspecified front wall of thorax without penetration into thoracic cavity Non-Billable/Non-Specific Codes S21.129A..., initial encounterS21.129D..., subsequent encounterS21.129S..., sequela