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ICD-10 diagnosis code

L43.9 Lichen planus, unspecified

This page in Swedish

L43.9 is the ICD-10 code for Lichen planus, unspecified. It is a four-character subcategory of L43 (Lichen planus), the most specific level in the WHO edition. It belongs to the block L40–L45 (Papulosquamous disorders) in Chapter XII, Diseases of the skin and subcutaneous tissue.

Code type
Subcategory (4 characters)
Chapter
XII · L00–L99
Classification
WHO ICD-10, 2019 version

L43.9 in national editions

Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.

SwedenICD-10-SE

L43.9Lichen ruber planus, ospecificerad

NorwayICD-10-NO

L43.9Uspesifisert lichen ruber planus

DenmarkICD-10-DK

DL439Lichen ruber planus UNS

FinlandICD-10-FI

L43.9Määrittämätön punajäkälä

GermanyICD-10-GM

L43.9Lichen ruber planus, nicht näher bezeichnet

FranceICD-10-FR

L43.9Lichen plan, sans précision

NetherlandsICD-10-NL

L43.9lichen planus, niet-gespecificeerd

United StatesICD-10-CM

L43.9Lichen planus, unspecified

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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