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ICD-10 diagnosis code

L51.2 Toxic epidermal necrolysis [Lyell]

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L51.2 is the ICD-10 code for Toxic epidermal necrolysis [Lyell]. 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

L51.2 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

L51.2Toxisk epidermal nekrolys [Lyell]

NorwayICD-10-NO

L51.2Toksisk epidermal nekrolyse [Lyells syndrom]

DenmarkICD-10-DK

DL512Necrolysis epidermalis toxica

GermanyICD-10-GM

L51.2Toxische epidermale Nekrolyse [Lyell-Syndrom]

  • L51.20Befall von weniger als 30 % der Körperoberfläche
  • L51.21Befall von 30 % der Körperoberfläche und mehr
FranceICD-10-FR

L51.2Épidermolyse nécrosante suraigüe [Lyell]

  • L51.20Épidermolyse nécrosante suraigüe [Lyell], avec décollement cutané égal ou supérieur à
  • L51.29Épidermolyse nécrosante suraigüe [Lyell], avec décollement cutané inférieur à 30% (de la
NetherlandsICD-10-NL

L51.2toxische epidermale-necrolyse [Lyell]

United StatesICD-10-CM

L51.2Toxic epidermal necrolysis [Lyell]

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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