U85 is the ICD-10 code for Resistance to antineoplastic drugs. It is a three-character category that is not subdivided further. 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 U85 includes
Conditions and terms that are coded here.
- Non-responsiveness to antineoplastic drugs
- Refractory cancer
U85 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
U85Resistens mot antineoplastiska läkemedel
- U85.9Resistens mot antineoplastiska läkemedel
U85Resistens mot antineoplastiske legemidler
U85Humanes Immundefizienz-Virus mit Resistenz gegen Virustatika oder Proteinaseinhibitoren
U85Résistance aux médicaments antinéoplasiques
U85resistentie voor antineoplastische 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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