H34 | 
		  | 
		Retinal vascular occlusions   | 
	
	
		 |  | 
		
	
		| Excludes1 | 
		amaurosis fugax (G45.3)
  | 
	 
 
 | 
	
 |  | 
	
		 H34.0 | 
		 | 
		Transient retinal artery occlusion | 
	 
 |  | 
	
		 H34.00 | 
		 | 
		Transient retinal artery occlusion, unspecified eye | 
	 
  |   |  | 
	
		 H34.01 | 
		 | 
		Transient retinal artery occlusion, right eye | 
	 
  |   |  | 
	
		 H34.02 | 
		 | 
		Transient retinal artery occlusion, left eye | 
	 
  |   |  | 
	
		 H34.03 | 
		 | 
		Transient retinal artery occlusion, bilateral | 
	 
  |    | 
 |  | 
	
		 H34.1 | 
		 | 
		Central retinal artery occlusion | 
	 
 |  | 
	
		 H34.10 | 
		 | 
		Central retinal artery occlusion, unspecified eye | 
	 
  |   |  | 
	
		 H34.11 | 
		 | 
		Central retinal artery occlusion, right eye | 
	 
  |   |  | 
	
		 H34.12 | 
		 | 
		Central retinal artery occlusion, left eye | 
	 
  |   |  | 
	
		 H34.13 | 
		 | 
		Central retinal artery occlusion, bilateral | 
	 
  |    | 
 |  | 
	
		 H34.2 | 
		 | 
		Other retinal artery occlusions | 
	 
 |  | 
	
		 H34.21 | 
		  | 
		Partial retinal artery occlusion | 
	 
	
		 |  | 
		
| Hollenhorst's plaque |  | Retinal microembolism |   
 | 
	  |  | 
	
		 H34.211 | 
		 | 
		Partial retinal artery occlusion, right eye | 
	 
  |   |  | 
	
		 H34.212 | 
		 | 
		Partial retinal artery occlusion, left eye | 
	 
  |   |  | 
	
		 H34.213 | 
		 | 
		Partial retinal artery occlusion, bilateral | 
	 
  |   |  | 
	
		 H34.219 | 
		 | 
		Partial retinal artery occlusion, unspecified eye | 
	 
  |    |   |  | 
	
		 H34.23 | 
		 | 
		Retinal artery branch occlusion | 
	 
 |  | 
	
		 H34.231 | 
		 | 
		Retinal artery branch occlusion, right eye | 
	 
  |   |  | 
	
		 H34.232 | 
		 | 
		Retinal artery branch occlusion, left eye | 
	 
  |   |  | 
	
		 H34.233 | 
		 | 
		Retinal artery branch occlusion, bilateral | 
	 
  |   |  | 
	
		 H34.239 | 
		 | 
		Retinal artery branch occlusion, unspecified eye | 
	 
  |    |    | 
 |  | 
	
		 H34.8 | 
		 | 
		Other retinal vascular occlusions | 
	 
 |  | 
	
		 H34.81 | 
		  | 
		Central retinal vein occlusion | 
	 
	
		 |  | 
		
	
		| char7Note | 
		One of the following 7th characters is to be assigned to codes in subcategory H34.81 to designate the severity of the occlusion:
  | 
	 
	
		| char7Def | 
		0: with macular edema 1: with retinal neovascularization 2: stable Old central retinal vein occlusion
  | 
	 
 
 | 
	  |  | 
	
		 H34.811 | 
		 | 
		Central retinal vein occlusion, right eye | 
	 
  |   |  | 
	
		 H34.812 | 
		 | 
		Central retinal vein occlusion, left eye | 
	 
  |   |  | 
	
		 H34.813 | 
		 | 
		Central retinal vein occlusion, bilateral | 
	 
  |   |  | 
	
		 H34.819 | 
		 | 
		Central retinal vein occlusion, unspecified eye | 
	 
  |    |   |  | 
	
		 H34.82 | 
		  | 
		Venous engorgement | 
	 
	
		 |  | 
		
| Incipient retinal vein occlusion |  | Partial retinal vein occlusion |   
 | 
	  |  | 
	
		 H34.821 | 
		 | 
		Venous engorgement, right eye | 
	 
  |   |  | 
	
		 H34.822 | 
		 | 
		Venous engorgement, left eye | 
	 
  |   |  | 
	
		 H34.823 | 
		 | 
		Venous engorgement, bilateral | 
	 
  |   |  | 
	
		 H34.829 | 
		 | 
		Venous engorgement, unspecified eye | 
	 
  |    |   |  | 
	
		 H34.83 | 
		  | 
		Tributary (branch) retinal vein occlusion | 
	 
	
		 |  | 
		
	
		| char7Note | 
		One of the following 7th characters is to be assigned to codes in subcategory H34.83 to designate the severity of the occlusion:
  | 
	 
	
		| char7Def | 
		0: with macular edema 1: with retinal neovascularization 2: stable Old tributary (branch) retinal vein occlusion
  | 
	 
 
 | 
	  |  | 
	
		 H34.831 | 
		 | 
		Tributary (branch) retinal vein occlusion, right eye | 
	 
  |   |  | 
	
		 H34.832 | 
		 | 
		Tributary (branch) retinal vein occlusion, left eye | 
	 
  |   |  | 
	
		 H34.833 | 
		 | 
		Tributary (branch) retinal vein occlusion, bilateral | 
	 
  |   |  | 
	
		 H34.839 | 
		 | 
		Tributary (branch) retinal vein occlusion, unspecified eye | 
	 
  |    |    | 
 |  | 
	
		 H34.9 | 
		 | 
		Unspecified retinal vascular occlusion | 
	 
  |