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ICD-10-CM/Diseases of the genitourinary system

N20-N23

Urolithiasis (N20-N23)

N20-N23 contains 4 categories and 12 ICD-10-CM codes for FY2027.

N20Calculus of kidney and ureter4 billable
N21Calculus of lower urinary tract4 billable
N22Calculus of urinary tract in diseases classified elsewhere1 billable
N23Unspecified renal colic1 billable

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FY2027 codes are valid for encounters from October 1, 2026 through September 30, 2027.

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