I70.21Atherosclerosis of arteries of extremities, with gangrene
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
- Group I70-I79
- Diseases of arteries, arterioles and capillaries
- Official Vietnamese name
- Xơ vữa [xơ cứng] động mạch ngoại vi [tứ chi], kèm hoại thư
- Additional WHO coding guidance
- Atherosclerotic gangrene Mönckeberg (medial) sclerosis
Related I70 codes
I70
Atherosclerosis
I70.0
Atherosclerosis of aorta
I70.00
Primary diagnosis candidate
Atherosclerosis of aorta, without gangrene
I70.01
Primary diagnosis candidate
Atherosclerosis of aorta, with gangrene
I70.1
Atherosclerosis of renal artery
I70.10
Primary diagnosis candidate
Atherosclerosis of renal artery, without gangrene
I70.11
Primary diagnosis candidate
Atherosclerosis of renal artery, with gangrene
I70.2
Atherosclerosis of arteries of extremities
I70.20
Primary diagnosis candidate
Atherosclerosis of arteries of extremities, without gangrene
I70.8
Atherosclerosis of other arteries
I70.80
Primary diagnosis candidate
Atherosclerosis of other arteries, without gangrene
I70.81
Primary diagnosis candidate
Atherosclerosis of other arteries, with gangrene
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.