Y56.9 is the ICD-10 code for Topical agent, unspecified. It is a four-character subcategory of Y56 (Topical agents primarily affecting skin and mucous membrane and ophthalmological, otorhinolaryngological and dental drugs), the most specific level in the WHO edition. It belongs to the block Y40–Y59 (Drugs, medicaments and biological substances causing adverse effects in therapeutic use) in Chapter XX, External causes of morbidity and mortality.
- Code type
- Subcategory (4 characters)
- Chapter
- XX · V01–Y98
- Classification
- WHO ICD-10, 2019 version
Y56.9 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
Y56.9Topique agissant essentiellement sur la peau et les muqueuses, sans précision
Y56.9lokaal aangrijpend middel, niet-gespecificeerd
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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