ICD-10-CM > S00-T88 > T20-T25 > T21 > T21.1 > T21.17 T21.17 Burn of first degree of female genital region Non-Billable/Non-Specific Applicable To Burn of first degree of labium (majus) (minus)Burn of first degree of perineumBurn of first degree of vulva Type 2 Excludes burn of vagina (T28.3) Codes T21.17XA..., initial encounterT21.17XD..., subsequent encounterT21.17XS..., sequela