H18
Non-billableOther disorders of cornea
H18 is the ICD-10-CM code for Other disorders of cornea. It is a non-billable category code — use a more specific child code such as H18.0 for billing.
- Status
- Header (non-billable)
- Chapter
- H00-H59
- Subcodes
- 10
- Edition
- FY2026
H00-H59 Diseases of the eye and adnexa
What this means — in plain language
MedlinePlus · NIHYour cornea is the outermost layer of your eye. It is clear and shaped like a dome. The cornea helps to shield the rest of the eye from germs, dust, and other harmful matter. It also helps your eye to focus. If you wear contact lenses, they float on top of your corneas. Problems with the cornea include: Refractive errors Allergies Infections Injuries Dystrophies - conditions in which parts of the cornea lose clarity…
Read more about Corneal Disorders at MedlinePlus ↗Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.
Medications indicated for this condition
FDA labelingDrugs whose FDA labeling lists this condition's category among its indications. Informational only — not a treatment recommendation or medical advice.
Conditions mapped to this code
MedlinePlus · NIHPlain-language health-topic references grounded in MedlinePlus (NIH/NLM).
Frequently asked questions
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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