Y57.7Vitamins, not elsewhere classified
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 vitamin, không phân loại mục khác
- Additional WHO coding guidance
- Excl.: nicotinic acid (Y52.7) vitamin B12 (Y44.1) vitamin D (Y54.7) vitamin K (Y44.3)
Related Y57 codes
Y57
Other and unspecified drugs and medicaments
Y57.0
Appetite depressants [anorectics]
Y57.1
Lipotropic drugs
Y57.2
Antidotes and chelating agents, not elsewhere classified
Y57.3
Alcohol deterrents
Y57.4
Pharmaceutical excipients
Y57.5
X-ray contrast media
Y57.6
Other diagnostic agents
Y57.8
Other drugs and medicaments
Y57.9
Drug or medicament, 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.
