L43 - Lichen planus
Excludes 1:
-lichen planopilaris L66.1)
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