LAB TEST
RBC urine test
The RBC urine test measures the number of red blood cells in a urine sample.
How the Test is Performed
A random sample of urine is collected. Random means that the sample is collected at any time either at the lab or at home. A clean-catch urine sample is needed. The clean-catch method is used to prevent germs from the penis or vagina from getting into a urine sample. To collect your urine, your health care provider…
How to Prepare for the Test
No special preparation is necessary for this test.
How the Test will Feel
The test involves only normal urination. There is no discomfort.
Why the Test is Performed
This test is done as part of a urinalysis test .
Normal Results
A normal result is 4 red blood cells per high power field (RBC/HPF) or less when the sample is examined under a microscope. The example above is a common measurement for a result of this test. Normal value ranges may vary slightly among different laboratories. Some labs use different measurements or test different…
What Abnormal Results Mean
A higher than normal number of RBCs in the urine may be due to: Kidney and other urinary tract problems, such as infection, or stones Kidney inflammation or injury Prostate problems Bladder, kidney, or urinary tract cancer
Risks
There are no risks with this test.
References
Krishnan A, Levin A. Laboratory assessment of kidney disease: glomerular filtration rate, urinalysis, and proteinuria. In: Yu ASL, Chertow GM, Luyckx VA, Marsden PA, Skorecki K, Taal MW, eds. Brenner and Rector's The Kidney . 11th ed. Philadelphia, PA: Elsevier; 2020:chap 23. Lamb EJ, Jones GRD. Kidney function tests.…
This is a summary. Read the full article at www.ucsfbenioffchildrens.org (reviewed 20/08/2023).
This page is general information and is not medical advice. It does not replace a registered doctor, and it is not a prescription or a recommendation to use any medicine or test. Prices are listed prices and may change. Always follow the advice of your doctor or pharmacist.