E11.36 vs H28
E11.36 (Type 2 diabetes mellitus with diabetic cataract) compared with H28 (Cataract in diseases classified elsewhere), from the official CMS tabular data. Do not report these codes together: the official tabular list marks them Excludes1.
Can these codes be reported together?
No — do not report together. H28 carries an Excludes1 note covering E11.36: “cataract in diabetes mellitus (E08.36, E09.36, E10.36, E11.36, E13.36)”
Sole exception: when the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).
Side by side
| E11.36Type 2 diabetes mellitus with diabetic cataract | H28Cataract in diseases classified elsewhere | |
|---|---|---|
| Billing status | Billable | Billable |
| Classification | E00-E89 — Endocrine, Nutritional and Metabolic Diseases (E00-E89) | H00-H59 — Diseases of the Eye and Adnexa (H00-H59) |
| Definition | Type 2 diabetes mellitus with diabetic cataract is a billable ICD-10-CM diagnosis code (E11.36). | Cataract in diseases classified elsewhere is a billable ICD-10-CM diagnosis code (H28). |
| Includes | diabetes (mellitus) due to insulin secretory defect diabetes NOS insulin resistant diabetes (mellitus) | — |
| Use additional code | code to identify control using: injectable non-insulin antidiabetic drugs (Z79.85) insulin (Z79.4) | — |
| Code first | — | underlying disease, such as: hypoparathyroidism (E20.-) |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources