| ICD-10 Code | Description |
| N13.0 | Hydronephrosis with ureteropelvic junction obstruction |
| N13.1 | Hydronephrosis with ureteral stricture, not elsewhere classified |
| N13.2 | Hydronephrosis with renal and ureteral calculous obstruction |
| N13.30 | Unspecified hydronephrosis |
| N13.39 | Other hydronephrosis |
| N13.4 | Hydroureter |
| N13.5 | Crossing vessel and stricture of ureter without hydronephrosis |
| N13.6 | Pyonephrosis |
| N13.70 | Vesicoureteral-reflux, unspecified |
| N13.71 | Vesicoureteral-reflux without reflux nephropathy |
| 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 |
| N13.731 | 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 |
| N13.9 | Obstructive and reflux uropathy, unspecified |
