Current

N23 — Unspecified renal colic

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

Child Codes

N23 has no child codes in the FY 2027 release -- it is used on its own.

Referenced By

Official notes on these codes cite N23.

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