World Health Organization · 2026-01 · English
EA91 Lichen planus
Official WHO ICD-11 MMS tabulation. This international classification is separate from US ICD-10-CM. For complete instructions and postcoordination, consult the WHO browser.
More specific codes
EA91.0Acute eruptive lichen planusEA91.1Hypertrophic lichen planusEA91.2Follicular lichen planusEA91.3Lichen planus of genital skin and mucous membranesEA91.4Lichen planus and lichenoid reactions of oral mucosaEA91.5Lichen planus of the nailsEA91.6Subacute lichen planusEA91.YOther specified lichen planusEA91.ZLichen planus of unspecified type© World Health Organization · CC BY-ND 3.0 IGO