L43 is the ICD-10 code for Lichen planus. It is a three-character category divided into 6 subcodes; use the subcode whenever the record supports that level of detail. It belongs to the block L40–L45 (Papulosquamous disorders) in Chapter XII, Diseases of the skin and subcutaneous tissue.
- Code type
- Category (3 characters)
- Chapter
- XII · L00–L99
- Classification
- WHO ICD-10, 2019 version
What L43 excludes
Conditions that look similar but belong under another code.
- lichen planopilaris L66.1
Subcodes of L43
L43 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
DL43Lichen ruber planus
L43Punajäkälä
L43Lichen ruber planus
L43Lichen plan
L43lichen planus
Based on the World Health Organization’s International Statistical Classification of Diseases and Related Health Problems, 10th revision (ICD-10), 2019 version, and the national editions published by each country’s health authority. This page is a reference, not coding advice; follow your national coding rules when you report.
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