U84Resistance to other antimicrobial drugs
Code usage status
Primary diagnosis
Must not be used as the primary diagnosis
Apply only when it matches the confirmed diagnosis and the documented clinical record.
Specificity
Do not use U84 directly
Use the most specific code supported by the record.
- Chapter XXII
- Codes for special purposes
- Group U82-U85
- Resistance to antimicrobial and antineoplastic drugs
- Official Vietnamese name
- Kháng thuốc kháng vi sinh vật khác
- Additional WHO coding guidance
- Use additional code (B95-B98), if desired, to identify agents resistant to other antibiotic treatment. Excl.: Resistance to antibiotics (U82-U83)
Related U84 codes
U84.0
Resistance to antiparasitic drug(s)
U84.1
Resistance to antifungal drug(s)
U84.2
Resistance to antiviral drug(s)
U84.3
Resistance to tuberculostatic drug(s)
U84.7
Resistance to multiple antimicrobial drugs
U84.8
Resistance to other specified antimicrobial drug
U84.9
Resistance to unspecified antimicrobial drugs
Clinical record checklist
View coding guide →- Confirm that the code matches the final documented diagnosis.
- Use one primary-diagnosis code and record only relevant additional conditions.
- Review Ministry indicators, inclusions, exclusions and notes.
- Do not infer a diagnosis beyond the clinical record.
2026 regulatory basis
Indicators are taken from columns 24–29 of the classification accompanying Circular 06/2026/TT-BYT, cross-referenced with Decision 1849/QĐ-BYT and Official Dispatch 4059/BYT-BH.