Category: N13 - Obstructive and reflux uropathy

 Chapter Notes

 Section Notes

 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)

 N13.0

Hydronephrosis with ureteropelvic junction obstruction

Hydronephrosis due to acquired occlusion of ureteropelvic junction

Hydronephrosis with ureteropelvic junction obstruction due to calculus (N13.2)

 N13.1

Hydronephrosis with ureteral stricture, not elsewhere classified

Hydronephrosis with ureteral stricture with infection (N13.6)

 N13.2

Hydronephrosis with renal and ureteral calculous obstruction

Hydronephrosis with renal and ureteral calculous obstruction with infection (N13.6)

 N13.3

Other and unspecified hydronephrosis

hydronephrosis with infection (N13.6)

 N13.30

Unspecified hydronephrosis

 N13.39

Other hydronephrosis

 N13.4

Hydroureter

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

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

Use additional code (B95-B97), to identify infectious agent.

 N13.7

Vesicoureteral-reflux

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

Code first, if applicable, any causal condition, such as:

enlarged prostate (N40.1)

 N13.9

Obstructive and reflux uropathy, unspecified

Urinary tract obstruction NOS