ICD-10-CM > S00-T88 > T26-T28 > T28 > T28.8 T28.8 Corrosion of internal genitourinary organs Non-Billable/Non-Specific Code First (T51-T65) to identify chemical and intent Codes T28.8XXA..., initial encounterT28.8XXD..., subsequent encounterT28.8XXS..., sequela