N15Header code — not billable

Other renal tubulo-interstitial diseases

Chapter
14. Diseases of the genitourinary system
Category
N15
Effective date
October 1, 2026

Related codes in category N15

N15.0Balkan nephropathyYesN15.1Renal and perinephric abscessYesN15.8Other specified renal tubulo-interstitial diseasesYesN15.9Renal tubulo-interstitial disease, unspecifiedYes

Frequently asked questions

What is ICD-10 code N15?

N15 is an ICD-10-CM diagnosis code for Other renal tubulo-interstitial diseases.

Is N15 a billable code?

No. N15 is a category/header code, not billable on its own — use one of its more specific child codes instead.

What ICD-10-CM chapter is N15 in?

N15 falls under Chapter 14: Diseases of the genitourinary system.

When did N15 become effective?

N15 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to N15?

N15 belongs to category N15, which includes 4 other codes — see the related codes list on this page.

ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.