N13Obstructive and reflux uropathy
ICD-10-CM category (non-billable header) code — part of Renal tubulo-interstitial diseases (N10-N16)
Coding Notes
Excludes2 (not part of this condition — may code both)
- 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)
Subcategories (10)
- N13.0 Hydronephrosis with ureteropelvic junction obstruction
- N13.1 Hydronephrosis w ureteral stricture, NEC
- N13.2 Hydronephrosis with renal and ureteral calculous obstruction
- N13.3 Other and unspecified hydronephrosis
- N13.4 Hydroureter
- N13.5 Crossing vessel and stricture of ureter w/o hydronephrosis
- N13.6 Pyonephrosis
- N13.7 Vesicoureteral-reflux
- N13.8 Other obstructive and reflux uropathy
- N13.9 Obstructive and reflux uropathy, unspecified