| ICD-10-CM-2023 > N00-N99 > N10-N16 > N13 |
N10-N16 | Renal tubulo-interstitial diseases | |
Incl.: | pyelonephritis | |
Excl1.: | pyeloureteritis cystica (N28.85) | |
N13 | Obstructive and reflux uropathy | |
Excl2.: | 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 | |
Info: | Hydronephrosis due to acquired occlusion of ureteropelvic junction | |
Excl2.: | Hydronephrosis with ureteropelvic junction obstruction due to calculus (N13.2) | |
N13.1 | Hydronephrosis with ureteral stricture, not elsewhere classified | |
Excl1.: | Hydronephrosis with ureteral stricture with infection (N13.6) | |
N13.2 | Hydronephrosis with renal and ureteral calculous obstruction | |
Excl1.: | Hydronephrosis with renal and ureteral calculous obstruction with infection (N13.6) | |
N13.3 | Other and unspecified hydronephrosis | |
Excl1.: | hydronephrosis with infection (N13.6) | |
N13.30 | Unspecified hydronephrosis | |
N13.39 | Other hydronephrosis | |
N13.4 | Hydroureter | |
Excl1.: | 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 | |
Info: | Kinking and stricture of ureter without hydronephrosis | |
Excl1.: | Crossing vessel and stricture of ureter without hydronephrosis with infection (N13.6) | |
N13.6 | Pyonephrosis | |
Info: | Conditions in N13.0-N13.5 with infection Obstructive uropathy with infection | |
Use add'l | code (B95-B97), to identify infectious agent. | |
N13.7 | Vesicoureteral-reflux | |
Excl1.: | reflux-associated pyelonephritis (N11.0) | |
N13.70 | Vesicoureteral-reflux, unspecified | |
Info: | 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 | |
Info: | 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 | |
Info: | Urinary tract obstruction NOS | |
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