ICD-10-CM>L00-L99>L40-L45>L43L43Lichen planusNon-Billable/Non-SpecificType 1 Excludeslichen planopilaris (L66.1-)CodesL43.0Hypertrophic lichen planusL43.1Bullous lichen planusL43.2Lichenoid drug reactionL43.3Subacute (active) lichen planusL43.8Other lichen planusL43.9Lichen planus, unspecified