MCMedicalCodingSoftware
L90.0

L90.0: Lichen sclerosus et atrophicus

Billable / specific codeICD-10-CM

L90.0 is a billable, specific ICD-10-CM code for lichen sclerosus et atrophicus. It is valid for submission on a claim.

Check L90.0 with the rest of the claim: free scrubber

Excludes2: not included here, but may coexist

The excluded condition is not part of this code, but a patient can have both. You may code both.

  • lichen sclerosus of external female genital organs (N90.4)
  • lichen sclerosus of external male genital organs (N48.0)

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

L90.0 is named in 4 Medicare coverage policies: 4 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

  • A53057Billing and Coding: Home Health Occupational Therapy
  • A53064Billing and Coding: Outpatient Occupational Therapy
  • A56346Billing and Coding: Removal of Benign and Malignant Skin Lesions
  • A57484Billing and Coding: Vitamin D Assay Testing

Alphabetic index entries that lead here

  • Disease, diseased›white-spot, meaning lichen sclerosus et atrophicus
  • Lichen›albus
  • Lichen›atrophicus
  • Lichen›sclerosus(et atrophicus)

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under L90

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.