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H18.5

Non-billable

Hereditary corneal dystrophies

H18.5 is the ICD-10-CM code for Hereditary corneal dystrophies. It is a non-billable category code — use a more specific child code such as H18.50 for billing.

Status
Header (non-billable)
Chapter
H00-H59
Parent
H18
Subcodes
7
Edition
FY2026

H00-H59 Diseases of the eye and adnexa

No additional coding notes for this code.

Frequently asked questions

What is ICD-10 code H18.5?
H18.5 is the ICD-10-CM code for "Hereditary corneal dystrophies". It falls under H00-H59 Diseases of the eye and adnexa.
Is H18.5 a billable code?
No — H18.5 is a non-billable header code. Use a more specific child code (such as H18.50) for billing.
What are the subcodes of H18.5?
H18.5 has 7 more specific child codes, including H18.50, H18.51, H18.52.

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

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