ICD-10-CM > S00-T88 > S20-S29 > S25 > S25.2 > S25.21 S25.21 Minor laceration of superior vena cava Non-Billable/Non-Specific Applicable To Incomplete transection of superior vena cavaLaceration of superior vena cava NOSSuperficial laceration of superior vena cava Codes S25.21XA..., initial encounterS25.21XD..., subsequent encounterS25.21XS..., sequela