I67 | 
		  | 
		Other cerebrovascular diseases   | 
	
	
		 |  | 
		
	
		| Excludes1 | 
		Occlusion and stenosis of cerebral artery causing cerebral infarction (I63.3-I63.5-) Occlusion and stenosis of precerebral artery causing cerebral infarction (I63.2-)
  | 
	 
	
		| Excludes2 | 
		sequelae of the listed conditions (I69.8)
  | 
	 
 
 | 
	
 |  | 
	
		 I67.0 | 
		  | 
		Dissection of cerebral arteries, nonruptured | 
	 
	
		 |  | 
		
	
		| Excludes1 | 
		ruptured cerebral arteries (I60.7)
  | 
	 
 
 | 
	   | 
 |  | 
	
		 I67.1 | 
		  | 
		Cerebral aneurysm, nonruptured | 
	 
	
		 |  | 
		
| Cerebral aneurysm NOS |  | Cerebral arteriovenous fistula, acquired |  | Internal carotid artery aneurysm, intracranial portion |  | Internal carotid artery aneurysm, NOS |  	
		| Excludes1 | 
		congenital cerebral aneurysm, nonruptured (Q28.-) ruptured cerebral aneurysm (I60.7)
  | 
	 
 
 | 
	   | 
 |  | 
	
		 I67.2 | 
		  | 
		Cerebral atherosclerosis | 
	 
	
		 |  | 
		
| Atheroma of cerebral and precerebral arteries |  	
		| age | 
		Adult: [15-124]
  | 
	 
 
 | 
	   | 
 |  | 
	
		 I67.3 | 
		  | 
		Progressive vascular leukoencephalopathy | 
	 
	
		 |  | 
		
 | 
	   | 
 |  | 
	
		 I67.4 | 
		  | 
		Hypertensive encephalopathy | 
	 
	
		 |  | 
		
	
		| CodeAlso | 
		, if applicable, associated hypertensive conditions such as: essential (primary) hypertension (I10) hypertensive chronic kidney disease (I12.-) hypertensive heart and chronic kidney disease (I13.-) hypertensive heart disease (I11.-)
  | 
	 
	
		| Excludes2 | 
		insufficiency, NOS, of precerebral arteries (G45.2)
  | 
	 
 
 | 
	   | 
 |  | 
	
		 I67.5 | 
		 | 
		Moyamoya disease | 
	 
  | 
 |  | 
	
		 I67.6 | 
		  | 
		Nonpyogenic thrombosis of intracranial venous system | 
	 
	
		 |  | 
		
| Nonpyogenic thrombosis of cerebral vein |  | Nonpyogenic thrombosis of intracranial venous sinus |  	
		| Excludes1 | 
		nonpyogenic thrombosis of intracranial venous system causing infarction (I63.6)
  | 
	 
 
 | 
	   | 
 |  | 
	
		 I67.7 | 
		  | 
		Cerebral arteritis, not elsewhere classified | 
	 
	
		 |  | 
		
| Granulomatous angiitis of the nervous system |  	
		| Excludes1 | 
		allergic granulomatous angiitis (M30.1)
  | 
	 
 
 | 
	   | 
 |  | 
	
		 I67.8 | 
		 | 
		Other specified cerebrovascular diseases | 
	 
 |  | 
	
		 I67.81 | 
		  | 
		Acute cerebrovascular insufficiency | 
	 
	
		 |  | 
		
| Acute cerebrovascular insufficiency unspecified as to location or reversibility |   
 | 
	   |   |  | 
	
		 I67.82 | 
		  | 
		Cerebral ischemia | 
	 
	
		 |  | 
		
| Chronic cerebral ischemia |   
 | 
	   |   |  | 
	
		 I67.83 | 
		  | 
		Posterior reversible encephalopathy syndrome | 
	 
	
		 |  | 
		
 | 
	   |   |  | 
	
		 I67.84 | 
		 | 
		Cerebral vasospasm and vasoconstriction | 
	 
 |  | 
	
		 I67.841 | 
		  | 
		Reversible cerebrovascular vasoconstriction syndrome | 
	 
	
		 |  | 
		
| Call-Fleming syndrome |  	
		| CodeFirst | 
		underlying condition, if applicable, such as eclampsia (O15.00-O15.9)
  | 
	 
 
 | 
	   |   |  | 
	
		 I67.848 | 
		 | 
		Other cerebrovascular vasospasm and vasoconstriction | 
	 
  |    |   |  | 
	
		 I67.85 | 
		 | 
		Hereditary cerebrovascular diseases | 
	 
 |  | 
	
		 I67.850 | 
		  | 
		Cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy | 
	 
	
		 |  | 
		
| CADASIL |  	
		| CodeAlso | 
		any associated diagnoses, such as: epilepsy (G40.-) stroke (I63.-) vascular dementia (F01.-)
  | 
	 
 
 | 
	   |   |  | 
	
		 I67.858 | 
		 | 
		Other hereditary cerebrovascular disease | 
	 
  |    |   |  | 
	
		 I67.89 | 
		 | 
		Other cerebrovascular disease | 
	 
  |    | 
 |  | 
	
		 I67.9 | 
		 | 
		Cerebrovascular disease, unspecified | 
	 
  |