MCMedicalCodingSoftware
Free trial
L43.9

L43.9: Lichen planus, unspecified

Billable / specific codeICD-10-CM

L43.9 is a billable, specific ICD-10-CM code for lichen planus, unspecified. It is valid for submission on a claim.

Check L43.9 with the rest of the claim: free scrubber

Excludes1 inherited from the categories above L43.9

A category’s note binds every code beneath it.

Written on L43: Lichen planus

  • lichen planopilaris (L66.1-)

Risk adjustment

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

Alphabetic index entries that lead here

  • Lichen›planus(chronicus)
  • Wilson's›lichen ruber
  • Lichen›planus›of Wilson
  • Lichen›ruber›planus

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under L43

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.