H33.311 (Horseshoe tear of retina without detachment, right eye) compared with H33.312 (Horseshoe tear of retina without detachment, left eye), from the official CMS tabular data. H33.311 and H33.312 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. H33.311 and H33.312 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.
| H33.311Horseshoe tear of retina without detachment, right eye | H33.312Horseshoe tear of retina without detachment, left eye | |
|---|---|---|
| Billing status | Billable | Billable |
| Classification | H00-H59 — Diseases of the Eye and Adnexa (H00-H59) | H00-H59 — Diseases of the Eye and Adnexa (H00-H59) |
| Definition | Horseshoe tear of retina without detachment, right eye is a billable ICD-10-CM diagnosis code (H33.311). | Horseshoe tear of retina without detachment, left eye is a billable ICD-10-CM diagnosis code (H33.312). |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources