Y59.9 is the ICD-10 code for Vaccine or biological substance, unspecified. It is a four-character subcategory of Y59 (Other and unspecified vaccines and biological substances), 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
Y59.9 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
Y59.9Annen eller uspesifisert vaksine eller biologisk substans som årsak til bivirkning eller annen uønsket virkning
Y59.9Komplikationen durch Impfstoffe oder biologisch aktive Substanzen
Y59.9Vaccin ou substance biologique, sans précision
Y59.9vaccin of biologische stof, 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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