ICD-10-CM · Chapter 7 · H00-H59
H28 Cataract in diseases classified elsewhere
Excludes 1 (cannot be coded together)
- cataract in diabetes mellitus (E08.36, E09.36, E10.36, E11.36, E13.36)
Code First
- underlying disease, such as:
- hypoparathyroidism (E20.-)
- myotonia (G71.1-)
- myxedema (E03.-)
- protein-calorie malnutrition (E40-E46)
This category is a complete, billable diagnosis code.
No additional specificity is required — submit H28 directly on claims and documentation without a subcode extension.
Last reviewed: September 2026