Q66.9Congenital deformity of feet, 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 dạng bẩm sinh của bàn chân, không xác định
Related Q66 codes
Q66
Congenital deformities of feet
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
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.
