ICD-10-CM Book 2024 Edition

Chapters  /  Chapter 14  /  N10-N16  /  N13
N13 Obstructive and reflux uropathy
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)
N13.0 Hydronephrosis with ureteropelvic junction obstruction
Hydronephrosis due to acquired occlusion of ureteropelvic junction
Excludes2 Hydronephrosis with ureteropelvic junction obstruction due to calculus (N13.2)
N13.1 Hydronephrosis with ureteral stricture, not elsewhere classified
Excludes1 Hydronephrosis with ureteral stricture with infection (N13.6)
N13.2 Hydronephrosis with renal and ureteral calculous obstruction
Excludes1 Hydronephrosis with renal and ureteral calculous obstruction with infection (N13.6)
N13.3 Other and unspecified hydronephrosis
Excludes1 hydronephrosis with infection (N13.6)
N13.30 Unspecified hydronephrosis
N13.39 Other hydronephrosis
N13.4 Hydroureter
Excludes1 congenital hydroureter (Q62.3-)
hydroureter with infection (N13.6)
vesicoureteral-reflux with hydroureter (N13.73-)
N13.5 Crossing vessel and stricture of ureter without hydronephrosis
Kinking and stricture of ureter without hydronephrosis
Excludes1 Crossing vessel and stricture of ureter without hydronephrosis with infection (N13.6)
N13.6 Pyonephrosis
Conditions in N13.0-N13.5 with infection
Obstructive uropathy with infection
UseAdditionalCode code (B95-B97), to identify infectious agent.
N13.7 Vesicoureteral-reflux
Excludes1 reflux-associated pyelonephritis (N11.0)
N13.70 Vesicoureteral-reflux, unspecified
Vesicoureteral-reflux NOS
N13.71 Vesicoureteral-reflux without reflux nephropathy
N13.72 Vesicoureteral-reflux with reflux nephropathy without hydroureter
N13.721 Vesicoureteral-reflux with reflux nephropathy without hydroureter, unilateral
N13.722 Vesicoureteral-reflux with reflux nephropathy without hydroureter, bilateral
N13.729 Vesicoureteral-reflux with reflux nephropathy without hydroureter, unspecified
N13.73 Vesicoureteral-reflux with reflux nephropathy with hydroureter
N13.731 Vesicoureteral-reflux with reflux nephropathy with hydroureter, unilateral
N13.732 Vesicoureteral-reflux with reflux nephropathy with hydroureter, bilateral
N13.739 Vesicoureteral-reflux with reflux nephropathy with hydroureter, unspecified
N13.8 Other obstructive and reflux uropathy
Urinary tract obstruction due to specified cause
CodeFirst , if applicable, any causal condition, such as:
enlarged prostate (N40.1)
N13.9 Obstructive and reflux uropathy, unspecified
Urinary tract obstruction NOS