N13.0
BillableHydronephrosis with ureteropelvic junction obstruction
N13.0 is the ICD-10-CM code for Hydronephrosis with ureteropelvic junction obstruction. 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
- •Hydronephrosis due to acquired occlusion of ureteropelvic junction
Excludes2 — not included here
- •Hydronephrosis with ureteropelvic junction obstruction due to calculus (N13.2)
Frequently asked questions
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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