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N13 Obstructive and reflux uropathy

BackN13.0Hydronephrosis with ureteropelvic junction obstructionN13.1Hydronephrosis with ureteral stricture, not elsewhere classifiedN13.2Hydronephrosis with renal and ureteral calculous obstructionN13.3Other and unspecified hydronephrosis2 →N13.30Unspecified hydronephrosisN13.39Other hydronephrosisN13.4HydroureterN13.5Crossing vessel and stricture of ureter without hydronephrosisN13.6PyonephrosisN13.7Vesicoureteral-reflux4 →N13.70Vesicoureteral-reflux, unspecifiedN13.71Vesicoureteral-reflux without reflux nephropathyN13.72Vesicoureteral-reflux with reflux nephropathy without hydroureter3 →N13.721Vesicoureteral-reflux with reflux nephropathy without hydroureter, unilateralN13.722Vesicoureteral-reflux with reflux nephropathy without hydroureter, bilateralN13.729Vesicoureteral-reflux with reflux nephropathy without hydroureter, unspecifiedN13.73Vesicoureteral-reflux with reflux nephropathy with hydroureter3 →N13.731Vesicoureteral-reflux with reflux nephropathy with hydroureter, unilateralN13.732Vesicoureteral-reflux with reflux nephropathy with hydroureter, bilateralN13.739Vesicoureteral-reflux with reflux nephropathy with hydroureter, unspecifiedN13.8Other obstructive and reflux uropathyN13.9Obstructive and reflux uropathy, unspecified
Category
N13
Obstructive and reflux uropathy
EXCLUDES
Excludes2: 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)
Chapter
XIV · Diseases of the genitourinary system
Section
N10-N16
Valid from
Source

CMS ICD-10-CM Tabular List, edition FY2026.

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