H02.123 (Mechanical ectropion of right eye, unspecified eyelid) compared with H02.126 (Mechanical ectropion of left eye, unspecified eyelid), from the official CMS tabular data. H02.123 and H02.126 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. H02.123 and H02.126 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.
| H02.123Mechanical ectropion of right eye, unspecified eyelid | H02.126Mechanical ectropion of left eye, unspecified eyelid | |
|---|---|---|
| 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 | Mechanical ectropion of right eye, unspecified eyelid is a billable ICD-10-CM diagnosis code (H02.123). | Mechanical ectropion of left eye, unspecified eyelid is a billable ICD-10-CM diagnosis code (H02.126). |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources