ICD-10-CM Diagnosis Code (2025)
Official Description for N21.9
Calculus of lower urinary tract, unspecified
Coding Notes & Guidelines for N21.9
Excludes1: Not Coded Here
calculus of urinary tract NOS (N20.9)
Parent Code (Less Specific):
About ICD-10-CM Code N21.9 (Calculus of lower urinary tract)
ICD-10-CM code N21.9 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM N21.9 became effective on October 1, 2024.
This page provides detailed information about N21.9 - Calculus of lower urinary tract, unspecified. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Calculus of lower urinary tract related to unspecified.