Table 1 AAST Classification for Ureteral Injuries (adapted)
| Grade | Description of Injury |
|---|---|
| I | Hematoma only |
| II | Laceration < 50% of circumference |
| III | Laceration > 50% of circumference |
| IV | Complete tear < 2 cm of devascularization |
| V | Complete tear > 2 cm of devascularization |