Pathology What is the GFR (mL/min per 1.73m2) of a patient who is in stage IV of chronic kidney disease? A 60 - 89 B 30 - 59 C 15 - 29 D < 15 💡 Explanation What is the GFR (mL/min per 1.73m2) of a patient who is in stage IV of chronic kidney disease? ✓ Correct Answer: C. 15 - 29