N15.9

Billable

Renal tubulo-interstitial disease, unspecified

N15.9 is the ICD-10-CM code for Renal tubulo-interstitial disease, unspecified. It is a billable, specific code valid for reimbursement.

Status
Billable
Chapter
N00-N99
Parent
N15
Edition
FY2026

N00-N99 Diseases of the genitourinary system

Includes

  • Infection of kidney NOS

Excludes1 — not coded here

  • urinary tract infection NOS (N39.0)

Frequently asked questions

What is ICD-10 code N15.9?
N15.9 is the ICD-10-CM code for "Renal tubulo-interstitial disease, unspecified". It falls under N00-N99 Diseases of the genitourinary system.
Is N15.9 a billable code?
Yes — N15.9 is a billable, specific ICD-10-CM code valid for reimbursement.
What is excluded from N15.9?
Excludes1 (not coded here): urinary tract infection NOS (N39.0).

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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