ICD-10-CM > S00-T88 > T30-T32 > T32 > T32.1 T32.1 Corrosions involving 10-19% of body surface Non-Billable/Non-Specific Codes T32.10Corrosions involving 10-19% of body surface with 0% to 9% third degree corrosionT32.11Corrosions involving 10-19% of body surface with 10-19% third degree corrosion