U84 is the ICD-10 code for Resistance to other antimicrobial drugs. It is a three-character category divided into 7 subcodes; use the subcode whenever the record supports that level of detail. It belongs to the block U82–U85 (Resistance to antimicrobial and antineoplastic drugs) in Chapter XXII, Codes for special purposes.
- Code type
- Category (3 characters)
- Chapter
- XXII · U00–U85
- Classification
- WHO ICD-10, 2019 version
What U84 excludes
Conditions that look similar but belong under another code.
- Resistance to antibiotics U82-U83
Coding notes
- Use additional code (B95-B98), if desired, to identify agents resistant to other antibiotic treatment.
Subcodes of U84
- U84.0Resistance to antiparasitic drug(s)
- U84.1Resistance to antifungal drug(s)
- U84.2Resistance to antiviral drug(s)
- U84.3Resistance to tuberculostatic drug(s)
- U84.7Resistance to multiple antimicrobial drugs
- U84.8Resistance to other specified antimicrobial drug
- U84.9Resistance to unspecified antimicrobial drugs
U84 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
U84Herpesviren mit Resistenz gegen Virustatika
U84Résistance aux autres antimicrobiens
U84resistentie voor overige antimicrobiële geneesmiddelen
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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