Medicine Which differentiating prerenal azotemia with ATN features oring pre-renal azotemia – A Urine osmolality > 500 mosmol/kg B Sodium spot excretion < 10 ml/L C Plasma transferrin/Ig ratio D All the above 💡 Explanation Which differentiating prerenal azotemia with ATN features oring pre-renal azotemia - ✓ Correct Answer: A. Urine osmolality > 500 mosmol/kg