ICD-10-CM > S00-T88 > T20-T25 > T21 > T21.4 > T21.46 T21.46 Corrosion of unspecified degree of male genital region Non-Billable/Non-Specific Applicable To Corrosion of unspecified degree of penisCorrosion of unspecified degree of scrotumCorrosion of unspecified degree of testis Codes T21.46XA..., initial encounterT21.46XD..., subsequent encounterT21.46XS..., sequela