Is L90.0 a billable ICD-10-CM code?

Yes. L90.0 is a billable, specific ICD-10-CM code and is valid for submission on a claim.

Where does L90.0 sit in the tabular list?

Diseases of the skin and subcutaneous tissue (L00-L99), in the block Other disorders of the skin and subcutaneous tissue (L80-L99).

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.

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

L90.0 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.

Medicare coverage

L90.0 is named in 4 Medicare coverage policies — 4 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

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

How L90.0 is indexed

Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to L90.0.

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

Related codes at this level

Codes that share L90. If L90.0 is not quite right, the correct code is usually one of these.

Questions about L90.0

Is L90.0 a billable ICD-10-CM code?: Yes. L90.0 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does L90.0 sit in the tabular list?: Diseases of the skin and subcutaneous tissue (L00-L99), in the block Other disorders of the skin and subcutaneous tissue (L80-L99).