Kidney Function Test :
Kidney function test is a combination of blood test, urine test, or sometimes, both. It gives an estimate of the efficiency of the kidneys in eliminating wastes from the body. In this blood test, blood urea nitrogen (BUN), estimated glomerular filteration rate (eGFR), serum creatinine levels are measured. In case of a urine sample, albumin levels are measured. This test does not require a person to fast before undergoing this test.