ICD-10-CM C66: Malignant neoplasm of ureter

ICD-10-CM Diagnosis Code (2025)

Official Description for C66

Malignant neoplasm of ureter

Coding Notes & Guidelines for C66

Excludes1: Not Coded Here

malignant neoplasm of ureteric orifice of bladder (C67.6)

Child Codes (More Specific Codes for C66):

About ICD-10-CM Code C66 (Malignant neoplasm of ureter)

ICD-10-CM code C66 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 C66 became effective on October 1, 2024.

This page provides detailed information about C66 - Malignant neoplasm of ureter. 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 Malignant neoplasm of ureter.