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ICD-10-CM-2023 Diagnosis Codes Overview
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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