L51.9 is the ICD-10 code for Erythema multiforme, unspecified. It is a four-character subcategory of L51 (Erythema multiforme), the most specific level in the WHO edition. It belongs to the block L50–L54 (Urticaria and erythema) 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
L51.9 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
L51.9Uspesifisert erythema multiforme
DL519Erythema multiforme UNS
L51.9Määrittämätön monimuotoinen punavihoittuma
L51.9Erythema exsudativum multiforme, nicht näher bezeichnet
L51.9Érythème polymorphe, sans précision
L51.9'erythema exsudativum multiforme', niet-gespecificeerd
L51.9Erythema multiforme, 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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