H18.62

Non-billable

Keratoconus, unstable

H18.62 is the ICD-10-CM code for Keratoconus, unstable. It is a non-billable category code — use a more specific child code such as H18.621 for billing.

Status
Header (non-billable)
Chapter
H00-H59
Parent
H18.6
Subcodes
4
Edition
FY2026

H00-H59 Diseases of the eye and adnexa

Includes

  • Acute hydrops

Frequently asked questions

What is ICD-10 code H18.62?
H18.62 is the ICD-10-CM code for "Keratoconus, unstable". It falls under H00-H59 Diseases of the eye and adnexa.
Is H18.62 a billable code?
No — H18.62 is a non-billable header code. Use a more specific child code (such as H18.621) for billing.
What are the subcodes of H18.62?
H18.62 has 4 more specific child codes, including H18.621, H18.622, H18.623.

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

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