Medicine C.V.S c804ecaf What is the GFR (mL/min per 1.73m2) of a patient who is in G4 category of chronic kidney disease A 60-89 B 30 - 59 C 15 - 29 D < 15 High-Yield Explanation Reference: Harrison's Principles of Internal Medicine; 20th edition; Chapter 335 Chronic Kidney Disease , pg 2112