| H34 | Retinal vascular occlusions | NON-BILLABLE CODE |
| H34.0 | Transient retinal artery occlusion | NON-BILLABLE CODE |
| H34.00 | Transient retinal artery occlusion, unspecified eye | BILLABLE CODE |
| H34.01 | Transient retinal artery occlusion, right eye | BILLABLE CODE |
| H34.02 | Transient retinal artery occlusion, left eye | BILLABLE CODE |
| H34.03 | Transient retinal artery occlusion, bilateral | BILLABLE CODE |
| H34.1 | Central retinal artery occlusion | NON-BILLABLE CODE |
| H34.10 | Central retinal artery occlusion, unspecified eye | BILLABLE CODE |
| H34.11 | Central retinal artery occlusion, right eye | BILLABLE CODE |
| H34.12 | Central retinal artery occlusion, left eye | BILLABLE CODE |
| H34.13 | Central retinal artery occlusion, bilateral | BILLABLE CODE |
| H34.2 | Other retinal artery occlusions | NON-BILLABLE CODE |
| H34.21 | Partial retinal artery occlusion | NON-BILLABLE CODE |
| H34.211 | Partial retinal artery occlusion, right eye | BILLABLE CODE |
| H34.212 | Partial retinal artery occlusion, left eye | BILLABLE CODE |
| H34.213 | Partial retinal artery occlusion, bilateral | BILLABLE CODE |
| H34.219 | Partial retinal artery occlusion, unspecified eye | BILLABLE CODE |
| H34.23 | Retinal artery branch occlusion | NON-BILLABLE CODE |
| H34.231 | Retinal artery branch occlusion, right eye | BILLABLE CODE |
| H34.232 | Retinal artery branch occlusion, left eye | BILLABLE CODE |
| H34.233 | Retinal artery branch occlusion, bilateral | BILLABLE CODE |
| H34.239 | Retinal artery branch occlusion, unspecified eye | BILLABLE CODE |
| H34.8 | Other retinal vascular occlusions | NON-BILLABLE CODE |
| H34.81 | Central retinal vein occlusion | NON-BILLABLE CODE |
| H34.811 | Central retinal vein occlusion, right eye | NON-BILLABLE CODE |
| H34.8110 | Central retinal vein occlusion, right eye, with macular edema | BILLABLE CODE |
| H34.8111 | Central retinal vein occlusion, right eye, with retinal neovascularization | BILLABLE CODE |
| H34.8112 | Central retinal vein occlusion, right eye, stable | BILLABLE CODE |
| H34.812 | Central retinal vein occlusion, left eye | NON-BILLABLE CODE |
| H34.8120 | Central retinal vein occlusion, left eye, with macular edema | BILLABLE CODE |
| H34.8121 | Central retinal vein occlusion, left eye, with retinal neovascularization | BILLABLE CODE |
| H34.8122 | Central retinal vein occlusion, left eye, stable | BILLABLE CODE |
| H34.813 | Central retinal vein occlusion, bilateral | NON-BILLABLE CODE |
| H34.8130 | Central retinal vein occlusion, bilateral, with macular edema | BILLABLE CODE |
| H34.8131 | Central retinal vein occlusion, bilateral, with retinal neovascularization | BILLABLE CODE |
| H34.8132 | Central retinal vein occlusion, bilateral, stable | BILLABLE CODE |
| H34.819 | Central retinal vein occlusion, unspecified eye | NON-BILLABLE CODE |
| H34.8190 | Central retinal vein occlusion, unspecified eye, with macular edema | BILLABLE CODE |
| H34.8191 | Central retinal vein occlusion, unspecified eye, with retinal neovascularization | BILLABLE CODE |
| H34.8192 | Central retinal vein occlusion, unspecified eye, stable | BILLABLE CODE |
| H34.82 | Venous engorgement | NON-BILLABLE CODE |
| H34.821 | Venous engorgement, right eye | BILLABLE CODE |
| H34.822 | Venous engorgement, left eye | BILLABLE CODE |
| H34.829 | Venous engorgement, unspecified eye | BILLABLE CODE |
| H34.83 | Tributary (branch) retinal vein occlusion | NON-BILLABLE CODE |
| H34.831 | Tributary (branch) retinal vein occlusion, right eye | NON-BILLABLE CODE |
| H34.8310 | Tributary (branch) retinal vein occlusion, right eye, with macular edema | BILLABLE CODE |
| H34.8311 | Tributary (branch) retinal vein occlusion, right eye, with retinal neovascularization | BILLABLE CODE |
| H34.8312 | Tributary (branch) retinal vein occlusion, right eye, stable | BILLABLE CODE |
| H34.832 | Tributary (branch) retinal vein occlusion, left eye | NON-BILLABLE CODE |
| H34.8320 | Tributary (branch) retinal vein occlusion, left eye, with macular edema | BILLABLE CODE |
| H34.8321 | Tributary (branch) retinal vein occlusion, left eye, with retinal neovascularization | BILLABLE CODE |
| H34.8322 | Tributary (branch) retinal vein occlusion, left eye, stable | BILLABLE CODE |
| H34.833 | Tributary (branch) retinal vein occlusion, bilateral | NON-BILLABLE CODE |
| H34.8330 | Tributary (branch) retinal vein occlusion, bilateral, with macular edema | BILLABLE CODE |
| H34.8331 | Tributary (branch) retinal vein occlusion, bilateral, with retinal neovascularization | BILLABLE CODE |
| H34.8332 | Tributary (branch) retinal vein occlusion, bilateral, stable | BILLABLE CODE |
| H34.839 | Tributary (branch) retinal vein occlusion, unspecified eye | NON-BILLABLE CODE |
| H34.8390 | Tributary (branch) retinal vein occlusion, unspecified eye, with macular edema | BILLABLE CODE |
| H34.8391 | Tributary (branch) retinal vein occlusion, unspecified eye, with retinal neovascularization | BILLABLE CODE |
| H34.8392 | Tributary (branch) retinal vein occlusion, unspecified eye, stable | BILLABLE CODE |
| H34.9 | Unspecified retinal vascular occlusion | BILLABLE CODE |
