ICD-10-CM > S00-T88 > S20-S29 > S21 > S21.3 > S21.33 > S21.332 S21.332 Puncture wound without foreign body of left front wall of thorax with penetration into thoracic cavity Non-Billable/Non-Specific Codes S21.332A..., initial encounterS21.332D..., subsequent encounterS21.332S..., sequela