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CurrentApr 1, 2026 – Sep 30, 2026

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CurrentApr 1, 2026 – Sep 30, 2026

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Chapters Disease index External causes Drugs and chemicals Neoplasms Official sources

ICD-10-CM · FY2026 · April / Chapters 14 / Urolithiasis (N20-N23)

Urolithiasis (N20-N23)

N20-N23 · 4 Entries

More specific codes (4)

N20Calculus of kidney and ureterCategory · further specificity required→N21Calculus of lower urinary tractCategory · further specificity required→N22Calculus of urinary tract in diseases classified elsewhereBillable / specific→N23Unspecified renal colicBillable / specific→

ICD-10-CM · CDC/NCHS · English

Official ICD-10-CM titles and instructions are preserved in English. Interface translations are provided by ICD Code Hub, not CDC or WHO.

CDC / NCHS · Apr 1, 2026 – Sep 30, 2026