Kidney Function Test Low. Other tests of kidney function. If the blood test is abnormal it cannot say what is causing the kidney problem.

Kidney function tests target either the blood or urine and measure different aspects of kidney function. The routine kidney blood test is a general marker of kidney function. The creatinine clearance test involves urine collection over a 24 hour period and can also provide an estimate of your kidney function.
Urine tests other blood tests scans x.
Creatinine levels in the blood can vary depending on age race and body size. Kidney function tests usually require a 24 hour urine sample and a blood test. A urine test checks for albumin in your urine a sign of kidney damage. This filtering unit is called glomerulus and with what rate it is filtering blood is measured with a test called glomerular filtration rate or gfr.