U83.9 is the ICD-10 code for Resistance to unspecified antibiotic. It is a four-character subcategory of U83 (Resistance to other antibiotics), the most specific level in the WHO edition. It belongs to the block U82–U85 (Resistance to antimicrobial and antineoplastic drugs) in Chapter XXII, Codes for special purposes.
- Code type
- Subcategory (4 characters)
- Chapter
- XXII · U00–U85
- Classification
- WHO ICD-10, 2019 version
What U83.9 includes
Conditions and terms that are coded here.
- Resistance to antibiotics NOS
U83.9 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
U83.9Resistens mot uspesifisert antibiotikum
U83.9Résistance à un antibiotique non précisé
U83.9resistentie voor antibiotica, 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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