U84.9 is the ICD-10 code for Resistance to unspecified antimicrobial drugs. It is a four-character subcategory of U84 (Resistance to other antimicrobial drugs), 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 U84.9 includes
Conditions and terms that are coded here.
- Drug resistance NOS
U84.9 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
U84.9Resistens mot uspesifisert antimikrobielt legemiddel
U84.9Résistance à un antimicrobien non précisé
U84.9resistentie voor antimicrobiële geneesmiddelen, 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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