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H50.66

Non-billable

Superior oblique muscle entrapment

H50.66 is the ICD-10-CM code for Superior oblique muscle entrapment. It is a non-billable category code — use a more specific child code such as H50.661 for billing.

Status
Header (non-billable)
Chapter
H00-H59
Parent
H50.6
Subcodes
3
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 H50.66?
H50.66 is the ICD-10-CM code for "Superior oblique muscle entrapment". It falls under H00-H59 Diseases of the eye and adnexa.
Is H50.66 a billable code?
No — H50.66 is a non-billable header code. Use a more specific child code (such as H50.661) for billing.
What are the subcodes of H50.66?
H50.66 has 3 more specific child codes, including H50.661, H50.662, H50.669.

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

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