Dadvice TV Episode 90: Understanding Kidney Labs: Labs Explained for Chronic Kidney Disease Patients. Kidney Health requires regular labs (bloodwork) to help guide your kidney disease treatment strategy. Understanding Kidney Labs will give you more insight into your kidney health and allow you to be more proactive with your Nephrologist (Kidney Specialist). Renal Dietitian Jen Hernandez and Kidney Health Coach explain labs kidney patients get to help you in understanding your kidney labs. We will cover eGFR, GFR, BUN, Creatinine, and all other important kidney function labs.