Q86Congenital malformation syndromes due to known exogenous causes, not elsewhere classified
Code usage status
Primary diagnosis
Select a more specific code
Apply only when it matches the confirmed diagnosis and the documented clinical record.
Specificity
Do not use Q86 directly
Use the most specific code supported by the record.
- Group Q80-Q89
- Other congenital malformations
- Official Vietnamese name
- Hội chứng dị tật bẩm sinh do nguyên nhân bên ngoài đã biết, không phân loại mục khác
- Additional WHO coding guidance
- Excl.: iodine-deficiency- related hypothyroidism (E00- E02) nonteratogenic effects of substances transmitted via placenta or breast milk (P04.-)
Related Q86 codes
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.