H34.8311 (Tributary (branch) retinal vein occlusion, right eye, with retinal neovascularization) compared with H34.8321 (Tributary (branch) retinal vein occlusion, left eye, with retinal neovascularization), from the official CMS tabular data. H34.8311 and H34.8321 code the same condition on opposite sides. MedCoder-derived
Same condition; these differ only in which side is documented.
These codes share a category and title and differ only in the side affected. The documentation decides which applies, and a bilateral code is reported only where the code set provides one.
Source: ICD-10-CM tabular list (laterality variant derived from the code title)
Same condition, opposite side. H34.8311 and H34.8321 name the same condition on opposite sides of the body.
Same category and title, differing only in which side is affected — the documentation decides which one applies, and a bilateral code is reported only where the code set provides one.
| H34.8311Tributary (branch) retinal vein occlusion, right eye, with retinal neovascularization | H34.8321Tributary (branch) retinal vein occlusion, left eye, with retinal neovascularization | |
|---|---|---|
| Billing status | Billable | Billable |
| Classification | H00-H59 — Diseases of the eye and adnexa | H00-H59 — Diseases of the eye and adnexa |
| Definition | Tributary (branch) retinal vein occlusion, right eye, with retinal neovascularization is a billable ICD-10-CM diagnosis code (H34.8311). | Tributary (branch) retinal vein occlusion, left eye, with retinal neovascularization is a billable ICD-10-CM diagnosis code (H34.8321). |
| 7th character | One of the following 7th characters is to be assigned to codes in subcategory H34.83 to designate the severity of the occlusion: | One of the following 7th characters is to be assigned to codes in subcategory H34.83 to designate the severity of the occlusion: |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources