ICD-10-CM category
Y66: Nonadministration of surgical and medical care
Y66 is “Nonadministration of surgical and medical care”. It has no subcodes in this category.
Frequently asked questions
What is ICD-10-CM code Y66?
Y66 is the ICD-10-CM code for Nonadministration of surgical and medical care.
Is Y66 billable?
Yes — Y66 is a valid, billable ICD-10-CM code (it has no further subdivisions).
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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
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