Y63.6Nonadministration of necessary drug, medicament or biological substance
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
- Không sử dụng dược chất, thuốc điều trị và/hoặc sinh phẩm cần thiết
Related Y63 codes
Y63
Failure in dosage during surgical and medical care
Y63.0
Excessive amount of blood or other fluid given during transfusion or infusion
Y63.1
Incorrect dilution of fluid used during infusion
Y63.2
Overdose of radiation given during therapy
Y63.3
Inadvertent exposure of patient to radiation during medical care
Y63.4
Failure in dosage in electroshock or insulin-shock therapy
Y63.5
Inappropriate temperature in local application and packing
Y63.8
Failure in dosage during other surgical and medical care
Y63.9
Failure in dosage during unspecified surgical and medical care
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.
