The combination of perinephric hematoma, parenchymal lacerations and urine leak classifies this as a grade IV injury on the American Association for the Surgery of Trauma (AAST) renal injury scale. There is a strong association between right kidney/liver injuries and right sided rib fractures with underlying lung trauma and pneumothoraces.

In addition, an arterial phase assessment of the solid organs in trauma is extremely useful. Therefore, starting the trauma CT with an arterial phase acquisition of the chest and abdomen is standard in most trauma centers.