ICD-10-CM > S00-T88 > S20-S29 > S21 > S21.1 > S21.12 > S21.122 S21.122 Laceration with foreign body of left front wall of thorax without penetration into thoracic cavity Non-Billable/Non-Specific Codes S21.122A..., initial encounterS21.122D..., subsequent encounterS21.122S..., sequela