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N22 — Calculus of urinary tract in diseases classified elsewhere

Part of Chapter 14: Diseases of the genitourinary system , block Urolithiasis (N20-N23) .

Official Notes

Code First

underlying disease, such as:

Code First

gout ( M1A .-, M10 .-)

Code First

schistosomiasis (B65.0-B65.9)

Child Codes

N22 has no child codes in the FY 2027 release -- it is used on its own.

Referenced By

Official notes on these codes cite N22.

FY 2027 effective October 1, 2026 · CDC NCHS and CMS