ICD-10-CM > S00-T88 > T20-T25 > T21 > T21.2 > T21.27 T21.27 Burn of second degree of female genital region Non-Billable/Non-Specific Applicable To Burn of second degree of labium (majus) (minus)Burn of second degree of perineumBurn of second degree of vulva Type 2 Excludes burn of vagina (T28.3) Codes T21.27XA..., initial encounterT21.27XD..., subsequent encounterT21.27XS..., sequela