|  I77 |  | Other disorders of arteries and arterioles   | 
	
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		| Excludes2 | collagen (vascular) diseases (M30-M36) hypersensitivity angiitis (M31.0)
 pulmonary artery (I28.-)
 
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		|  I77.0 |  | Arteriovenous fistula, acquired |  
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| Aneurysmal varix |  | Arteriovenous aneurysm, acquired |  
		| Excludes1 | arteriovenous aneurysm NOS (Q27.3-) presence of arteriovenous shunt (fistula) for dialysis (Z99.2)
 traumatic - see injury of blood vessel by body region
 
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		| Excludes2 | cerebral (I67.1) coronary (I25.4)
 
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		|  I77.1 |  | Stricture of artery |  
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		|  I77.2 |  | Rupture of artery |  
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| Erosion of artery |  | Fistula of artery |  | Ulcer of artery |  
		| Excludes1 | traumatic rupture of artery - see injury of blood vessel by body region 
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		|  I77.3 |  | Arterial fibromuscular dysplasia |  
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| Fibromuscular hyperplasia (of) carotid artery |  | Fibromuscular hyperplasia (of) renal artery |  |  | 
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		|  I77.4 |  | Celiac artery compression syndrome |  | 
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		|  I77.5 |  | Necrosis of artery |  | 
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		|  I77.6 |  | Arteritis, unspecified |  
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		|  I77.7 |  | Other arterial dissection |  
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		| Excludes2 | dissection of aorta (I71.0-) dissection of coronary artery (I25.42)
 
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		|  I77.70 |  | Dissection of unspecified artery |  |  |  |  | 
	
		|  I77.71 |  | Dissection of carotid artery |  |  |  |  | 
	
		|  I77.72 |  | Dissection of iliac artery |  |  |  |  | 
	
		|  I77.73 |  | Dissection of renal artery |  |  |  |  | 
	
		|  I77.74 |  | Dissection of vertebral artery |  
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		| Excludes2 | aneurysm of vertebral artery (I72.6) 
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		|  I77.75 |  | Dissection of other precerebral arteries |  
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| Dissection of basilar artery (trunk) |  
		| Excludes2 | aneurysm of carotid artery (I72.0) aneurysm of other precerebral arteries (I72.5)
 aneurysm of vertebral artery (I72.6)
 dissection of carotid artery (I77.71)
 dissection of vertebral artery (I77.74)
 
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		|  I77.76 |  | Dissection of artery of upper extremity |  |  |  |  | 
	
		|  I77.77 |  | Dissection of artery of lower extremity |  |  |  |  | 
	
		|  I77.79 |  | Dissection of other specified artery |  |  | 
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		|  I77.8 |  | Other specified disorders of arteries and arterioles |  |  |  | 
	
		|  I77.81 |  | Aortic ectasia |  
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| Ectasis aorta |  
		| Excludes1 | aortic aneurysm and dissection (I71.-) 
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		|  I77.810 |  | Thoracic aortic ectasia |  |  |  |  | 
	
		|  I77.811 |  | Abdominal aortic ectasia |  |  |  |  | 
	
		|  I77.812 |  | Thoracoabdominal aortic ectasia |  |  |  |  | 
	
		|  I77.819 |  | Aortic ectasia, unspecified site |  |  |  |  |  | 
	
		|  I77.82 |  | Antineutrophilic cytoplasmic antibody [ANCA] vasculitis |  
		|  |  | 
| ANCA associated vasculitis |  | ANCA positive vasculitis |  
		| Excludes2 | eosinophilic granulomatosis with polyangiitis (M30.1) granulomatosis with polyangiitis (M31.3-)
 microscopic polyangiitis (M31.7)
 
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		|  I77.89 |  | Other specified disorders of arteries and arterioles |  |  | 
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		|  I77.9 |  | Disorder of arteries and arterioles, unspecified |  |