Is N20.1 a billable ICD-10 code?

Yes. N20.1 (Calculus of ureter) is billable and can be used for insurance claims. Always verify payer-specific requirements.

N20.1 ✓ Billable

Calculus of ureter

Q: What is ICD-10 code N20.1?

ICD-10-CM code N20.1 stands for "Calculus of ureter". It is a billable code in the Diseases of the Genitourinary System chapter, effective FY2026 (Oct 1, 2025 – Sep 30, 2026).

ICD-10-CM · FY2026 · Diseases of the Genitourinary System

Code

N20.1

System

ICD-10-CM

Billable

Yes — valid for submission

Effective

FY2026

Chapter

Diseases of the Genitourinary System

Source

CMS / CDC NCHS

⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.

Frequently asked questions

What is ICD-10 code N20.1?

ICD-10-CM code N20.1 represents Calculus of ureter. It is a billable diagnosis code in the Diseases of the Genitourinary System chapter, effective October 1, 2025 – September 30, 2026.

Is N20.1 billable?

Yes. N20.1 is a valid billable ICD-10-CM code for insurance claims and clinical documentation.

What chapter is N20.1 in?

N20.1 belongs to the Diseases of the Genitourinary System chapter (N00–N99) of ICD-10-CM.

Related codes in the N20 category

N20 Calculus of kidney and ureter Non-billable N20.0 Calculus of kidney Billable N20.2 Calculus of kidney with calculus of ureter Billable N20.9 Urinary calculus, unspecified Billable

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