ICD-10-CM category
N22: Calculus of urinary tract in diseases classified elsewhere
N22 is “Calculus of urinary tract in diseases classified elsewhere”. It has no subcodes in this category.
Frequently asked questions
What is ICD-10-CM code N22?
N22 is the ICD-10-CM code for Calculus of urinary tract in diseases classified elsewhere.
Is N22 billable?
Yes — N22 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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