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N13.7

⚠ Non-billable (Header)

Vesicoureteral-reflux

Diseases of the genitourinary system (N00-N99)

⚠️ This is a category header code — not billable. Use a more specific child code below.

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❌ Excludes1

direct

Cannot be coded with N13.7

  • • reflux-associated pyelonephritis (N11.0)

⚠️ Excludes2

inherited from N13

Rules from parent category 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)

Child Codes (4)

N13.70Vesicoureteral-reflux, unspecifiedN13.71Vesicoureteral-reflux without reflux nephropathyN13.72Vesicoureteral-reflux with reflux nephropathy without hydroureterN13.73Vesicoureteral-reflux with reflux nephropathy with hydroureter

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Code Information

CodeN13.7
BillableNo — Header code
ParentN13
CategoryDiseases of the genitourinary system (N00-N99)
Excludes11 rule(s)
Excludes24 note(s)
Child codes4

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)