ICD-10-CM > S00-T88 > T20-T25 > T21 > T21.1 > T21.16 T21.16 Burn of first degree of male genital region Non-Billable/Non-Specific Applicable To Burn of first degree of penisBurn of first degree of scrotumBurn of first degree of testis Codes T21.16XA..., initial encounterT21.16XD..., subsequent encounterT21.16XS..., sequela