Medicine What is the difference between RIFLE & KDIGO criteria in differentiating a tubular injury? A Uosm B Urinary Na C Urinary NGAL D FeNa (UN, x Scr / SNa x Ucr) 💡 Explanation What is the difference between RIFLE & KDIGO criteria in differentiating a tubular injury? ✓ Correct Answer: C. Urinary NGAL