Kidney Function Test Means. A 24 hour urine sample is a creatinine clearance test. It gives your doctor an idea of how much.
A 24 hour urine sample is a creatinine clearance test. Gfr stands for glomerular filtration rate. A gfr below 60 may mean kidney disease.
Purpose the kidneys the body s natural filtration system perform many vital functions including removing metabolic waste products from the bloodstream.
Here s a quick guide to the tests used to measure kidney function. Gfr is a measure of how well your kidneys filter blood. Kidney function tests are simple blood and urine tests that check whether your kidneys are working properly by measuring the levels of markers. Urine tests can also detect whether the kidneys are leaking abnormal amounts of protein a sign of kidney damage.