Completely healthy kidney function is measured at a glomerular filtration rate (GFR) of around 100, which means that the kidneys are working at 100 percent. Your kidney function is still considered …

Use our GFR calculators to estimate GFR for adults or children.

Healthcare providers use estimated glomerular filtration rate (eGFR) to determine if you have kidney damage and stage kidney disease. eGFR measures your kidneys’ ability to filter toxins from your …

A glomerular filtration rate (GFR) test shows how well your kidneys remove waste from your blood. It helps diagnose kidney disease in its early stages. Learn more.

Jun 30, 2025 · eGFR (estimated glomerular filtration rate) is a measure of how well your kidneys are working. Your eGFR is an estimated number based on a blood test and your age, sex, and body type.

Mar 12, 2024 · The glomerular filtration rate (GFR) is a measure of how well your kidneys are removing waste from your blood, which can be determined using an estimated GFR (eGFR) test.

Jul 20, 2025 · The Glomerular Filtration Rate (GFR) is a measurement that assesses kidney function by estimating how much blood passes through the kidneys’ tiny filters, called glomeruli, each minute.

A GFR of 15 or below means your kidneys could be failing. If your test results indicate you have early kidney disease, your doctor may want to take steps to treat it aggressively.

What is Glomerular filtration rate (GFR)? Glomerular filtration rate describes the rate of flow of filtered fluids through the kidney and is used as a measure of kidney function. Generally, a higher value of …

Oct 11, 2024 · The estimated glomerular filtration rate (eGFR) is a calculation that determines how well the blood is filtered by the kidneys. This is one way to measure kidney function. The eGFR is also …