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H51.2

Non-billable

Internuclear ophthalmoplegia

H51.2 is the ICD-10-CM code for Internuclear ophthalmoplegia. It is a non-billable category code — use a more specific child code such as H51.20 for billing.

Status
Header (non-billable)
Chapter
H00-H59
Parent
H51
Subcodes
4
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 H51.2?
H51.2 is the ICD-10-CM code for "Internuclear ophthalmoplegia". It falls under H00-H59 Diseases of the eye and adnexa.
Is H51.2 a billable code?
No — H51.2 is a non-billable header code. Use a more specific child code (such as H51.20) for billing.
What are the subcodes of H51.2?
H51.2 has 4 more specific child codes, including H51.20, H51.21, H51.22.

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

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