Kidney Urine Bladder Test. Doctors can use it to help them diagnose. A 24 hour urine test shows how much urine your kidneys produce can give an more accurate measurement of how well your kidney are working and how much protein leaks from the kidney into the urine in one day.
Kidney function tests usually require a 24 hour urine sample and a blood test. During this test a contrast dye is placed using a needle from the flank area of one s back by the radiologist. Then the x ray images are used to study the movement of the contrast dye from the ureter to the kidney and then the bladder.
Other tests require collection of all urine produced for a full 24 hours.
Then the x ray images are used to study the movement of the contrast dye from the ureter to the kidney and then the bladder. This test is based on a comparison between the amount of urea in the blood and the amount of urea in urine. If the urea clearance is lower than the normal range 64 99 ml. To check for protein in your urine called proteinuria your doctor may suggest a urine test.