| 753.20 | Unspecified obstructive defect of renal pelvis and ureter |
| 753.21 | Congenital obstruction of ureteropelvic junction |
| 753.22 | Congenital obstruction of ureterovesical junction |
| 753.23 | Congenital ureterocele |
| 753.29 | Other obstructive defects of renal pelvis and ureter |
