ICD-10-CM > S00-T88 > S20-S29 > S21 > S21.9 > S21.93 S21.93 Puncture wound without foreign body of unspecified part of thorax Non-Billable/Non-Specific Codes S21.93XA..., initial encounterS21.93XD..., subsequent encounterS21.93XS..., sequela