ICD-10-CM > S00-T88 > T20-T25 > T21 > T21.3 > T21.32 T21.32 Burn of third degree of abdominal wall Non-Billable/Non-Specific Applicable To Burn of third degree of flankBurn of third degree of groin Codes T21.32XA..., initial encounterT21.32XD..., subsequent encounterT21.32XS..., sequela