ICD-10-CM N11.9: Chronic tubulo-interstitial nephritis, unspecified

ICD-10-CM Diagnosis Code (2025)

Official Description for N11.9

Chronic tubulo-interstitial nephritis, unspecified

Coding Notes & Guidelines for N11.9

Inclusion Terms
  • Chronic interstitial nephritis NOS
  • Chronic pyelitis NOS
  • Chronic pyelonephritis NOS

Parent Code (Less Specific):

About ICD-10-CM Code N11.9 (Chronic tubulo-interstitial nephritis)

ICD-10-CM code N11.9 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 N11.9 became effective on October 1, 2024.

This page provides detailed information about N11.9 - Chronic tubulo-interstitial nephritis, 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 Chronic tubulo-interstitial nephritis related to unspecified.