Egfr test: Understanding your kidney function is an

Understanding your kidney function is an important part of maintaining your health, and the eGFR (estimated glomerular filtration rate) blood test is a key tool in the process. If you're preparing for or have recently had an eGFR test , this page provides a guide to eGFR , why it’s important, and what the results can indicate about your kidney health. Doctors use eGFR to assess kidney function. Since it estimates filtration capacity, it helps detect chronic kidney disease (CKD). This test calculates glomerular filtration rate ( GFR ) based on serum creatinine, age, sex, and race. Because GFR declines with kidney damage, eGFR serves as a key diagnostic tool. Unlike direct GFR measurement, eGFR provides a convenient estimate. For this reason, it remains widely used in clinical practice. Hospitals include eGFR in routine renal function tests ... eGFR Calculator Glomerular filtration rate ( GFR ) is the best overall index of kidney function. Normal GFR varies according to age, sex, and body size, and declines with age. The National Kidney Foundation (NKF) and the American Society of Nephrology (ASN) convened a Task Force in 2021 to focus on the use of race when estimating GFR . Knowledge of what is expected to be normal estimated glomerular filtration rate gfr , including estimated gfr depending on age, is essential to distinguish normal ageing of the kidney from disease. eGFR , which may be determined based on creatinine, age and gender, and can be verified through a creatinine clearance test , a gfr calculator should be used to contribute to the health of the kidney by identifying problems at an early stage, which is crucial in preventing stage kidney disease ...