H34 Retinal vascular occlusions

Category / Non-billable header 38 subcodes

Block: Disorders of choroid and retina (H30-H36)

Excludes 1 (cannot be coded together)

  • amaurosis fugax (G45.3)

Subcodes

Each subcode links to a detail page with full clinical annotations.

Code Description Billable
H34..0 Transient retinal artery occlusion No
H34..00 Transient retinal artery occlusion, unspecified eye Yes
H34..01 Transient retinal artery occlusion, right eye Yes
H34..02 Transient retinal artery occlusion, left eye Yes
H34..03 Transient retinal artery occlusion, bilateral Yes
H34..1 Central retinal artery occlusion No
H34..10 Central retinal artery occlusion, unspecified eye Yes
H34..11 Central retinal artery occlusion, right eye Yes
H34..12 Central retinal artery occlusion, left eye Yes
H34..13 Central retinal artery occlusion, bilateral Yes
H34..2 Other retinal artery occlusions No
H34..21 Partial retinal artery occlusion No
H34..211 Partial retinal artery occlusion, right eye Yes
H34..212 Partial retinal artery occlusion, left eye Yes
H34..213 Partial retinal artery occlusion, bilateral Yes
H34..219 Partial retinal artery occlusion, unspecified eye Yes
H34..23 Retinal artery branch occlusion No
H34..231 Retinal artery branch occlusion, right eye Yes
H34..232 Retinal artery branch occlusion, left eye Yes
H34..233 Retinal artery branch occlusion, bilateral Yes
H34..239 Retinal artery branch occlusion, unspecified eye Yes
H34..8 Other retinal vascular occlusions No
H34..81 Central retinal vein occlusion No
H34..811 Central retinal vein occlusion, right eye No
H34..812 Central retinal vein occlusion, left eye No
H34..813 Central retinal vein occlusion, bilateral No
H34..819 Central retinal vein occlusion, unspecified eye No
H34..82 Venous engorgement No
H34..821 Venous engorgement, right eye Yes
H34..822 Venous engorgement, left eye Yes
H34..823 Venous engorgement, bilateral Yes
H34..829 Venous engorgement, unspecified eye Yes
H34..83 Tributary (branch) retinal vein occlusion No
H34..831 Tributary (branch) retinal vein occlusion, right eye No
H34..832 Tributary (branch) retinal vein occlusion, left eye No
H34..833 Tributary (branch) retinal vein occlusion, bilateral No
H34..839 Tributary (branch) retinal vein occlusion, unspecified eye No
H34..9 Unspecified retinal vascular occlusion Yes

Last reviewed: September 2026