Y56Topical agents primarily affecting skin and mucous membrane and ophthalmological, otorhinolaryngologi cal and dental 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 Y56 directly
Use the most specific code supported by the record.
- Group Y40-Y84
- Complications of medical and surgical care
- Official Vietnamese name
- Tác động bất lợi của tác nhân dùng tại chỗ chủ yếu ảnh hưởng đến da, màng nhầy và/hoặc các loại thuốc nhãn khoa, tai mũi họng và/hoặc nha khoa
- Additional WHO coding guidance
- Incl.: glucocorticoids, topically used
Related Y56 codes
Y56.0
Local antifungal, anti-infective and anti-inflammatory drugs, not elsewhere classified
Y56.1
Antipruritics
Y56.2
Local astringents and local detergents
Y56.3
Emollients, demulcents and protectants
Y56.4
Keratolytics, keratoplastics and other hair treatment drugs and preparations
Y56.5
Ophthalmological drugs and preparations
Y56.6
Otorhinolaryngolog ical drugs and preparations
Y56.7
Dental drugs, topically applied
Y56.8
Other topical agents
Y56.9
Topical agent, unspecified
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.
