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N13.70

N13.70: Vesicoureteral-reflux, unspecified

Billable / specific codeICD-10-CM

N13.70 is a billable, specific ICD-10-CM code for vesicoureteral-reflux, unspecified. It is valid for submission on a claim.

Check N13.70 with the rest of the claim: free scrubber

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

  • Vesicoureteral-reflux NOS

Excludes1 inherited from the categories above N13.70

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 N13.70

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 N13.70

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

  • N11.0Nonobstructive reflux-associated chronic pyelonephritis
  • N11.1Chronic obstructive pyelonephritis

Risk adjustment

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

Medicare coverage

N13.70 is named in 2 Medicare coverage policies: 2 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

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

Alphabetic index entries that lead here

  • Reflux›vesicoureteral(with scarring)

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under N13.7

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.