ICD-10-CM › L00-L99 › L40-L45 › L codes › L43

L43

Lichen planus

Not billableICD-10-CM diagnosis code.

This code exists but cannot be submitted on its own. It groups the more specific codes beneath it.

A category header for its whole life, FY2016 onwards. It has never been valid for submission on its own.

Submit one of these 6 more specific codes instead:

  • L43.0 Hypertrophic lichen planus
  • L43.1 Bullous lichen planus
  • L43.2 Lichenoid drug reaction
  • L43.3 Subacute (active) lichen planus
  • L43.8 Other lichen planus
  • L43.9 Lichen planus, unspecified

What has happened to this code

Every change the publisher made, from 2012 to now. Entries marked draft are from the pre-implementation releases: ICD-10 took effect on 1 October 2015, so nothing before FY2016 was ever valid on a claim.

  1. FY2012 Added to the draft code set draft Lichen planus

Official coding rules

Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.

This code

Excludes1 - never coded here

  • lichen planopilaris (L66.1-)