Y55.3Antitussives
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
Complete code in the classification
Use when the diagnosis matches and no exclusion applies.
- Group Y40-Y84
- Complications of medical and surgical care
- Official Vietnamese name
- Tác động bất lợi của thuốc chống ho
Related Y55 codes
Y55
Agents primarily acting on smooth and skeletal muscles and the respiratory system
Y55.0
Oxytocic drugs
Y55.1
Skeletal muscle relaxants [neuromuscular blocking agents]
Y55.2
Other and unspecified agents primarily acting on muscles
Y55.4
Expectorants
Y55.5
Anti-common-cold drugs
Y55.6
Antiasthmatics, not elsewhere classified
Y55.7
Other and unspecified agents primarily acting on the respiratory system
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.