L50.1 is the ICD-10 code for Idiopathic urticaria. It is a four-character subcategory of L50 (Urticaria), 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
L50.1 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
L50.1Idiopatisk urtikaria
L50.1Idiopatisk urticaria
DL501Idiopatisk urticaria
L50.1Idiopaattinen nokkosihottuma
L50.1Idiopathische Urtikaria
L50.1Urticaire idiopathique
L50.1idiopathische urticaria
L50.1Idiopathic urticaria
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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