LAB TEST

Immunoelectrophoresis - urine

Urine immunoelectrophoresis is a lab test that measures immunoglobulins in a urine sample. Immunoglobulins are proteins that function as antibodies , which fight infection. There are many types of immunoglobulins that fight different types of infections. Some immunoglobulins can be abnormal and may be due to some types of cancer . Immunoglobulins can also be measured in the blood .

How the Test is Performed

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 may give you a special clean-catch kit that contains a cleansing solution and sterile wipes. Follow instructions exactly.…

How to Prepare for the Test

Your provider may ask you to collect the first morning urine, which is the most concentrated. If you are taking the collection from an infant, you may need extra collection bags.

How the Test will Feel

The test involves only normal urination, and there is no discomfort.

Why the Test is Performed

This test is used to measure the amounts of various immunoglobulins in urine. Most often, it is done after a large amount of protein is found in the urine.

Normal Results

Normally there is no protein, or only a small amount of protein in the urine. When there is protein in the urine, it normally consists of mainly albumin. Normal value ranges may vary slightly among different laboratories. Talk to your provider about the meaning of your specific test results.

What Abnormal Results Mean

Immunoglobulin in the urine can result from: Amyloidosis (buildup of abnormal proteins in tissues and organs) Leukemia (cancer of the bone marrow) Waldenström macroglobulinemia (a type of lymphoma) Lymphoma (cancer of the lymph tissue) Monoclonal gammopathy of unknown significance (MGUS, a type of blood disorder)…

Risks

There are no risks with this test.

References

Gertz MA, Dispenzieri A. Amyloidosis. In: Goldman L, Cooney KA, eds. Goldman-Cecil Medicine . 27th ed. Philadelphia, PA: Elsevier; 2024:chap 174. McPherson RA. Specific proteins. In: McPherson RA, Pincus MR, eds. Henry's Clinical Diagnosis and Management by Laboratory Methods . 24th ed. Philadelphia, PA: Elsevier;…

This is a summary. Read the full article at www.ucsfbenioffchildrens.org (reviewed 17/06/2024).

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.