N13

Non-billable

Obstructive and reflux uropathy

N13 is the ICD-10-CM code for Obstructive and reflux uropathy. It is a non-billable category code — use a more specific child code such as N13.0 for billing.

Status
Header (non-billable)
Chapter
N00-N99
Subcodes
10
Edition
FY2026

N00-N99 Diseases of the genitourinary system

Excludes2 — not included here

  • calculus of kidney and ureter without hydronephrosis (N20.-)
  • congenital obstructive defects of renal pelvis and ureter (Q62.0-Q62.3)
  • hydronephrosis with ureteropelvic junction obstruction (Q62.11)
  • obstructive pyelonephritis (N11.1)

Frequently asked questions

What is ICD-10 code N13?
N13 is the ICD-10-CM code for "Obstructive and reflux uropathy". It falls under N00-N99 Diseases of the genitourinary system.
Is N13 a billable code?
No — N13 is a non-billable header code. Use a more specific child code (such as N13.0) for billing.
What are the subcodes of N13?
N13 has 10 more specific child codes, including N13.0, N13.1, N13.2.

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

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