Q66Congenital deformities of feet
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 Q66 directly
Use the most specific code supported by the record.
- Official Vietnamese name
- Dị dạng bẩm sinh của bàn chân
- Additional WHO coding guidance
- Excl.: reduction defects of feet (Q72.-) valgus deformities (acquired) (M21.0) varus deformities (acquired) (M21.1)
Related Q66 codes
Q66.0
Primary diagnosis candidate
Talipes equinovarus
Q66.1
Primary diagnosis candidate
Talipes calcaneovarus
Q66.2
Primary diagnosis candidate
Metatarsus varus
Q66.3
Primary diagnosis candidate
Other congenital varus deformities of feet
Q66.4
Primary diagnosis candidate
Talipes calcaneovalgus
Q66.5
Primary diagnosis candidate
Congenital pes planus
Q66.6
Primary diagnosis candidate
Other congenital valgus deformities of feet
Q66.7
Primary diagnosis candidate
Pes cavus
Q66.8
Primary diagnosis candidate
Other congenital deformities of feet
Q66.9
Primary diagnosis candidate
Congenital deformity of feet, 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.
