I71Aortic aneurysm and dissection
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 I71 directly
Use the most specific code supported by the record.
- Chapter IX
- Diseases of the circulatory system
- Group I70-I79
- Diseases of arteries, arterioles and capillaries
- Official Vietnamese name
- Phình và/hoặc tách thành động mạch chủ
Related I71 codes
I71.0
Primary diagnosis candidate
Dissection of aorta [any part]
I71.1
Primary diagnosis candidate
Thoracic aortic aneurysm, ruptured
I71.2
Primary diagnosis candidate
Thoracic aortic aneurysm, without mention of rupture
I71.3
Primary diagnosis candidate
Abdominal aortic aneurysm, ruptured
I71.4
Primary diagnosis candidate
Abdominal aortic aneurysm, without mention of rupture
I71.5
Primary diagnosis candidate
Thoracoabdominal aortic aneurysm, ruptured
I71.6
Primary diagnosis candidate
Thoracoabdominal aortic aneurysm, without mention of rupture
I71.8
Primary diagnosis candidate
Aortic aneurysm of unspecified site, ruptured
I71.9
Primary diagnosis candidate
Aortic aneurysm of unspecified site, without mention of rupture
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.
