Tag Archives: Filtration

Glomerular Filtration Rate (GFR) Test

What is a glomerular filtration rate (GFR) test? A glomerular filtration rate (GFR) is a blood test that checks how well your kidneys are working. Your kidneys have tiny filters called glomeruli. These filters help remove waste and excess fluid from the blood. A GFR test estimates how much blood passes through these filters each… Read More »