N20.1

ICD-10Billable

Calculus of ureter

Official ICD-10-CM descriptor (FY2026)

Calculus of ureter

N20.1 is valid for submission on a claim — CMS flags it as a billable, specific code.

Inclusion terms

  • Calculus of the ureteropelvic junction
  • Ureteric stone

Related codes in N20

Where this code sits

Parent code
N20

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Source

ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.

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