ICD-10-CM > S00-T88 > S20-S29 > S21 > S21.2 > S21.24 > S21.241 S21.241 Puncture wound with foreign body of right back wall of thorax without penetration into thoracic cavity Non-Billable/Non-Specific Codes S21.241A..., initial encounterS21.241D..., subsequent encounterS21.241S..., sequela