ICD-10-CM > L00-L99 > L80-L99 > L90 > L90.0 L90.0 Lichen sclerosus et atrophicus Billable/Specific Copy Code Copy Description Type 2 Excludes lichen sclerosus of external female genital organs (N90.4)lichen sclerosus of external male genital organs (N48.0)