Q40.9Congenital malformation of upper alimentary tract, unspecified
Code usage status
Primary diagnosis
May 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.
- Official Vietnamese name
- Dị tật bẩm sinh đường tiêu hóa trên, không xác định
- Additional WHO coding guidance
- Congenital: anomaly NOS of upper alimentary tract deformity NOS of upper alimentary tract
Related Q40 codes
Q40
Other congenital malformations of upper alimentary tract
Q40.0
Primary diagnosis candidate
Congenital hypertrophic pyloric stenosis
Q40.1
Primary diagnosis candidate
Congenital hiatus hernia
Q40.2
Primary diagnosis candidate
Other specified congenital malformations of stomach
Q40.3
Primary diagnosis candidate
Congenital malformation of stomach, unspecified
Q40.8
Primary diagnosis candidate
Other specified congenital malformations of upper alimentary tract
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.
