ICD 10 Code for Kidney Stones Explained
The icd 10 code for kidney stones is found in the N00–N99 chapter. Urinary calculi are categorized under N20–N23. In the U.S. 2026 ICD-10-CM, N20.0 is the specific code for “Calculus of kidney.” It becomes effective on October 1, 2025. This code is critical as it connects a kidney stone diagnosis to claims, DRG grouping,…