H28

Billable

Cataract in diseases classified elsewhere

H28 is the ICD-10-CM code for Cataract in diseases classified elsewhere. It is a billable, specific code valid for reimbursement.

Status
Billable
Chapter
H00-H59
Edition
FY2026

H00-H59 Diseases of the eye and adnexa

What this means — in plain language

MedlinePlus · NIH

What are cataracts? A cataract is a clouding of the clear lens inside your eye. This cloudiness blocks light from reaching the back of the eye, making it harder to see clearly. A cataract can affect one or both eyes, but it doesn't spread from one eye to the other. Cataracts usually develop slowly. As they get worse, your vision can become blurry or dim. Brighter lighting or new eyeglasses may help at first, but if…

Read more about Cataract at MedlinePlus ↗

Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.

Excludes1 — not coded here

Code first

  • underlying disease, such as:
  • hypoparathyroidism (E20.-)
  • myotonia (G71.1-)
  • myxedema (E03.-)
  • protein-calorie malnutrition (E40-E46)

Conditions mapped to this code

MedlinePlus · NIH

Plain-language health-topic references grounded in MedlinePlus (NIH/NLM).

Frequently asked questions

What is ICD-10 code H28?
H28 is the ICD-10-CM code for "Cataract in diseases classified elsewhere". It falls under H00-H59 Diseases of the eye and adnexa.
Is H28 a billable code?
Yes — H28 is a billable, specific ICD-10-CM code valid for reimbursement.
What is excluded from H28?
Excludes1 (not coded here): cataract in diabetes mellitus (E08.36, E09.36, E10.36, E11.36, E13.36).

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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