H34.812 (Central retinal vein occlusion, left eye) compared with H34.819 (Central retinal vein occlusion, unspecified eye), from the official CMS tabular data. H34.812 and H34.819 code the same condition on opposite sides.
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. H34.812 and H34.819 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.
| H34.812Central retinal vein occlusion, left eye | H34.819Central retinal vein occlusion, unspecified eye | |
|---|---|---|
| Billing status | Non-billable header | Non-billable header |
| Classification | H00-H59 — Diseases of the Eye and Adnexa (H00-H59) | H00-H59 — Diseases of the Eye and Adnexa (H00-H59) |
| Definition | Central retinal vein occlusion, left eye is a non-billable ICD-10-CM category code (H34.812). | Central retinal vein occlusion, unspecified eye is a non-billable ICD-10-CM category code (H34.819). |
| 7th character | One of the following 7th characters is to be assigned to codes in subcategory H34.81 to designate the severity of the occlusion: | One of the following 7th characters is to be assigned to codes in subcategory H34.81 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