GFR

KidneyKidneyBlood

Estimated glomerular filtration rate is a calculation of how well the kidneys work, based on a blood test.

Why it matters: It estimates the kidneys' ability to filter toxins from the blood, and helps spot problems with the kidneys including chronic kidney disease.

Source · Cleveland Clinic — what it is, why it matters, what moves it, related conditions

Reference Range
> 90.0mL/min/1.73m2
90LowNormal
What Moves It

May decrease with:

Ageing, even without kidney disease
Associated Conditions
Chronic kidney diseaseKidney failure, which a low number may indicate
Related Markers
CreatinineUrea
Common questions

What is GFR?

Estimated glomerular filtration rate is a calculation of how well the kidneys work, based on a blood test.

What might a high or low GFR mean?

It estimates the kidneys' ability to filter toxins from the blood, and helps spot problems with the kidneys including chronic kidney disease.

What is the typical reference range for GFR?

The general-population reference range shown here is > 90 mL/min/1.73m2. Reference ranges describe the general population and are not a personal target — discuss your results with your physician.

What can affect GFR?

It may be lower with: Ageing, even without kidney disease.

More in Kidney
CreatinineCystatin CUreaUrea Nitrogen (BUN)Urea/Creatinine RatioUric Acid

Track your GFR over time

Upload your lab report and see where your values fall.

Get Started Free