Your screening results explained: eGFR

Your screening results explained: eGFR

Twenty-six million American adults have chronic kidney disease, but 90% of those individuals are unaware they have the condition. A screening for estimated glomerular filtration rate (eGFR) can alert individuals to their kidney disease risk, as it is used to screen for kidney damage. eGFR is calculated using a serum creatinine result, age, gender, and race (if applicable).

An eGFR above 60 is considered normal. As individuals age, eGFR levels naturally decrease but should remain above 60. An eGFR result below 60 indicates notable kidney damage. Specific ranges of eGFR results correspond to certain levels of kidney function and stages of chronic kidney disease.

If you receive a low eGFR result from your screening, consult your primary care physician and he/she will work with you to decide if further testing and/or treatment is needed. Early stage kidney disease does not always have symptoms, and if it’s caught in the early stages, through screening, the progression of kidney disease can be prevented.

High blood pressure and diabetes are two of the main risk factors for developing chronic kidney disease. Managing your health by staying active and eating a balanced diet will help prevent chronic kidney disease.

For more information on chronic kidney disease, read this guest blog post by Dr. Harvey Kaufman, Senior Medical Director, Medical Informatics at Quest Diagnostics.


National Kidney Foundation. “Glomerular Filtration Rate (GRF).” 2018. Accessed 14 February 2018.

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