I82.9Embolism and thrombosis of unspecified vein
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.
- Chapter IX
- Diseases of the circulatory system
- Official Vietnamese name
- Thuyên tắc và/hoặc huyết khối, không xác định tĩnh mạch
- Additional WHO coding guidance
- Embolism of vein NOS Thrombosis (vein) NOS
Related I82 codes
I82
Other venous embolism and thrombosis
I82.0
Primary diagnosis candidate
Budd-Chiari syndrome
I82.1
Primary diagnosis candidate
Thrombophlebitis migrans
I82.2
Primary diagnosis candidate
Embolism and thrombosis of vena cava
I82.3
Primary diagnosis candidate
Embolism and thrombosis of renal vein
I82.8
Primary diagnosis candidate
Embolism and thrombosis of other specified veins
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.
