ICD-10-CM N21.0: Calculus in bladder

ICD-10-CM Diagnosis Code (2025)

Official Description for N21.0

Calculus in bladder

Coding Notes & Guidelines for N21.0

Excludes2: Not Included Here

staghorn calculus (N20.0)

Inclusion Terms
  • Calculus in diverticulum of bladder
  • Urinary bladder stone

Parent Code (Less Specific):

About ICD-10-CM Code N21.0 (Calculus in bladder)

ICD-10-CM code N21.0 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 N21.0 became effective on October 1, 2024.

This page provides detailed information about N21.0 - Calculus in bladder. 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 in bladder.