H18.04

Non-billable

Kayser-Fleischer ring

H18.04 is the ICD-10-CM code for Kayser-Fleischer ring. It is a non-billable category code — use a more specific child code such as H18.041 for billing.

Status
Header (non-billable)
Chapter
H00-H59
Parent
H18.0
Subcodes
4
Edition
FY2026

H00-H59 Diseases of the eye and adnexa

What this means — in plain language

MedlinePlus · NIH

Your 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.

Notes

  • associated Wilson's disease (E83.01)

Frequently asked questions

What is ICD-10 code H18.04?
H18.04 is the ICD-10-CM code for "Kayser-Fleischer ring". It falls under H00-H59 Diseases of the eye and adnexa.
Is H18.04 a billable code?
No — H18.04 is a non-billable header code. Use a more specific child code (such as H18.041) for billing.
What are the subcodes of H18.04?
H18.04 has 4 more specific child codes, including H18.041, H18.042, H18.043.

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

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