ICD-10-CM Diagnosis Code (2025)
Official Description for N12
Tubulo-interstitial nephritis, not specified as acute or chronic
Coding Notes & Guidelines for N12
calculous pyelonephritis (N20.9)
- Interstitial nephritis NOS
- Pyelitis NOS
- Pyelonephritis NOS
About ICD-10-CM Code N12 (Tubulo-interstitial nephritis)
ICD-10-CM code N12 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 N12 became effective on October 1, 2024.
This page provides detailed information about N12 - Tubulo-interstitial nephritis, not specified as acute or chronic. 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 Tubulo-interstitial nephritis related to not specified as acute or chronic.