EA91
Lichen planus
Lichen planus
Classification
ICD-11
Chapter
14: Diseases of the SkinBlock
EA90-EA95Parent Code
BlockL2-EA9Child Codes
9
WHO Foundation
View on WHOChild Codes (9)
EA91.0Acute eruptive lichen planus
EA91.1Hypertrophic lichen planus
EA91.2Follicular lichen planus
EA91.3Lichen planus of genital skin and mucous membranes
EA91.4Lichen planus and lichenoid reactions of oral mucosa
EA91.5Lichen planus of the nails
EA91.6Subacute lichen planus
EA91.YOther specified lichen planus
EA91.ZLichen planus of unspecified type
Frequently Asked Questions
What is the ICD-11 code for lichen planus?
The ICD-11 code for lichen planus is EA91. The full clinical description is "Lichen planus".
What does ICD-11 code EA91 mean?
ICD-11 code EA91 represents “Lichen planus”. It is classified under Chapter 14: Diseases of the Skin.
What chapter is EA91 in?
EA91 is in Chapter 14: Diseases of the Skin (codes EA00-EM0Z).
What is the ICD-10 equivalent of ICD-11 code EA91?
There is no direct ICD-10 mapping available for EA91 in the WHO crosswalk tables. This may mean the concept is classified differently in ICD-10. Use the ICD-11 to ICD-10 converter to search for related codes.
What is the difference between ICD-10 and ICD-11?
ICD-11 is the latest revision of the WHO's International Classification of Diseases, succeeding ICD-10. Key differences include: a fully digital-first design, new chapters for sleep-wake disorders, sexual health, and traditional medicine, improved coding for rare diseases, and better integration with electronic health records through extension codes.
What are the subcategories under EA91?
EA91 has 9 child codes, including: EA91.0 (Acute eruptive lichen planus), EA91.1 (Hypertrophic lichen planus), EA91.2 (Follicular lichen planus), EA91.3 (Lichen planus of genital skin and mucous membranes), and 5 more.
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