Q84.4 is the ICD-10 code for Congenital leukonychia. It is a four-character subcategory of Q84 (Other congenital malformations of integument), the most specific level in the WHO edition. It belongs to the block Q80–Q89 (Other congenital malformations) in Chapter XVII, Congenital malformations, deformations and chromosomal abnormalities.
- Code type
- Subcategory (4 characters)
- Chapter
- XVII · Q00–Q99
- Classification
- WHO ICD-10, 2019 version
Q84.4 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
Q84.4Medfödd leukonyki
Q84.4Medfødt leukonyki
DQ844Medfødt leukonyki
Q84.4Synnynnäinen leukonykia
Q84.4Angeborene Leukonychie
Q84.4Leuconychie congénitale
Q84.4congenitale leukonychie
Q84.4Congenital leukonychia
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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