MCMedicalCodingSoftware
L66.1

L66.1: Lichen planopilaris

Non-billable headerICD-10-CM

L66.1 is a non-billable header ICD-10-CM code for lichen planopilaris. It cannot be billed on its own: choose one of the more specific child codes below.

Other codes that can never be billed with L66.1

Their own Excludes1 notes name this code, so the conflict is not listed above.

  • L43Lichen planus

Risk adjustment

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

Code history

  • deletedFY2024-FY2027

    Lichen planopilaris

Code to one of these instead L66.1

4 child codes. Green means billable.

Other codes under L66

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.