N13.721

N13.721: Vesicoureteral-reflux with reflux nephropathy without hydroureter, unilateral

Billable / specific codeICD-10-CM

N13.721 is a billable, specific ICD-10-CM code for vesicoureteral-reflux with reflux nephropathy without hydroureter, unilateral. It is valid for submission on a claim.

Check N13.721 with the rest of the claim: free scrubber

Excludes1 inherited from the categories above N13.721

A category’s note binds every code beneath it.

Written on N13.7: Vesicoureteral-reflux

reflux-associated pyelonephritis (N11.0)

Excludes2 inherited from the categories above N13.721

Not part of this code, but both may be coded when both are present.

Written on N13: Obstructive and reflux uropathy

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)

Other codes that can never be billed with N13.721

Their own Excludes1 notes name this code, so the conflict is not listed above.

N11.1Chronic obstructive pyelonephritis

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

N13.721 is named in 3 Medicare coverage policies: 3 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

A56421Billing and Coding: CT of the Abdomen and Pelvis
A56802Billing and Coding: Urodynamics
A57455Billing and Coding: Urodynamics

Alphabetic index entries that lead here

Reflux›vesicoureteral›with›nephropathy›unilateral
Reflux›vesicoureteral›with›nephropathy›without hydroureter›unilateral

Code history

Unchanged in every release from FY2024 to FY2027.