N20.0: Calculus of kidney
N20.0 is the billable ICD-10-CM diagnosis code for Calculus of kidney. It is a fully specified code, so it can be reported on a claim (subject to clinical documentation and your payer's rules).
Frequently asked questions
What is ICD-10-CM code N20.0?
N20.0 is the ICD-10-CM diagnosis code for Calculus of kidney. It belongs to category N20 (Calculus of kidney and ureter).
Is N20.0 a billable code?
Yes. N20.0 is a billable, fully specified ICD-10-CM code, so it can be used on a claim (subject to documentation and payer rules).
What category does N20.0 belong to?
N20.0 is part of ICD-10-CM category N20 — Calculus of kidney and ureter, which has 8 billable codes.
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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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