N15.9
BillableRenal 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.
N00-N99 Diseases of the genitourinary system
What this means — in plain language
MedlinePlus · NIHYou have two kidneys, each about the size of your fist. They are near the middle of your back, just below the rib cage. Inside each kidney there are about a million tiny structures called nephrons. They filter your blood. They remove wastes and extra water, which become urine. The urine flows through tubes called ureters. It goes to your bladder, which stores the urine until you go to the bathroom. Most kidney…
Read more about Kidney Diseases at MedlinePlus ↗Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.
Includes
- •Infection of kidney NOS
Excludes1 — not coded here
- •urinary tract infection NOS (N39.0)
Medications indicated for this condition
FDA labelingDrugs whose FDA labeling lists this condition's category among its indications. Informational only — not a treatment recommendation or medical advice.
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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