H11.012 (Amyloid pterygium of left eye) compared with H11.019 (Amyloid pterygium of unspecified eye), from the official CMS tabular data. H11.012 and H11.019 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. H11.012 and H11.019 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.
| H11.012Amyloid pterygium of left eye | H11.019Amyloid pterygium of unspecified eye | |
|---|---|---|
| Billing status | Billable | Billable |
| Classification | H00-H59 — Diseases of the eye and adnexa | H00-H59 — Diseases of the eye and adnexa |
| Definition | Amyloid pterygium of left eye is a billable ICD-10-CM diagnosis code (H11.012). | Amyloid pterygium of unspecified eye is a billable ICD-10-CM diagnosis code (H11.019). |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources