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Urine protein electrophoresis test
Urine protein electrophoresis; UPEP; Multiple myeloma - UPEP; Waldenström macroglobulinemia - UPEP; Amyloidosis - UPEP
The urine protein electrophoresis (UPEP) test is used to estimate how much of certain proteins are in the urine.
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, the health care provider may give you a special clean-catch kit that contains a cleansing solution and sterile wipes. Follow the instructions exactly.
Clean-catch urine sample
A clean catch is a method of collecting a urine sample to be tested. The clean-catch urine method is used to prevent germs from the penis or vagina ...
After you provide a urine sample, it is sent to the laboratory. There, the laboratory specialist will place the urine sample on special paper and apply an electric current. The proteins move and form visible bands. These reveal the general amounts of each protein.
How to Prepare for the Test
Your provider may tell you to stop taking certain medicines that could interfere with the test. Medicines that can affect test results include:
- Chlorpromazine
- Corticosteroids
- Isoniazid
- Neomycin
- Phenacemide
- Salicylates
- Sulfonamides
- Tolbutamide
Do not stop taking any medicine without first talking to your provider.
How the Test will Feel
This test involves only normal urination. There is no discomfort.
Why the Test is Performed
Normally there is no protein, or only a small amount of protein in the urine. An abnormally high amount of protein in the urine can be a sign of many different disorders.
UPEP may be recommended to help determine the cause of protein in the urine. Or it may be done as a screening test to measure the various amounts of different types of proteins in urine. UPEP detects 2 types of protein: albumin and globulins.
Normal Results
No significant amount of globulins are found in the urine. Urine albumin is less than 5 mg/dL.
Normal value ranges may vary slightly among different laboratories. Some labs use different measurements or test different specimens. Talk to your doctor about the meaning of your specific test results.
What Abnormal Results Mean
If the urine sample has a significant amount of globulins or higher than normal level of albumin, it may mean any of the following:
-
Acute
inflammation
Acute
Acute means sudden or severe. Acute symptoms appear, change, or worsen rapidly. It is the opposite of chronic.
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Abnormal protein buildup in tissues and organs (
amyloidosis
)
Amyloidosis
Primary amyloidosis is a disorder in which abnormal proteins build up in tissues and organs. Clumps of the abnormal proteins are called amyloid depo...
ImageRead Article Now Book Mark Article - Decreased kidney function
-
Kidney disease due to diabetes (
diabetic nephropathy
)
Diabetic nephropathy
Kidney disease or kidney damage often occurs over time in people with diabetes. This type of kidney disease is called diabetic nephropathy.
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Kidney failure
Kidney failure
Acute kidney failure is the rapid (less than 2 days) loss of your kidneys' ability to remove waste and help balance fluids and electrolytes in your b...
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A type of blood cancer called
multiple myeloma
Multiple myeloma
Multiple myeloma is a blood cancer that starts in the plasma cells in the bone marrow. Bone marrow is the soft, spongy tissue found inside most bone...
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Group of symptoms that include protein in the urine, low protein level in the blood, swelling (
nephrotic syndrome
)
Nephrotic syndrome
Nephrotic syndrome is a group of symptoms that include protein in the urine, low blood protein levels in the blood, high cholesterol levels, high tri...
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Acute
urinary tract infection
Urinary tract infection
A urinary tract infection, or UTI, is an infection of the urinary tract. The infection can occur at different points in the urinary tract, including...
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Risks
There are no risks with this test.
References
Chernecky CC, Berger BJ. Protein electrophoresis - urine. In: Chernecky CC, Berger BJ, eds. Laboratory Tests and Diagnostic Procedures . 6th ed. St Louis, MO: Elsevier Saunders; 2013:920-923.
McPherson RA. Specific proteins. In: McPherson RA, Pincus MR, eds. Henry's Clinical Diagnosis and Management by Laboratory Methods . 23rd ed. St Louis, MO: Elsevier; 2017:chap 19.
Review Date: 5/20/2016
Reviewed By: Todd Gersten, MD, Hematology/Oncology, Florida Cancer Specialists & Research Institute, Wellington, FL. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Isla Ogilvie, PhD, and the A.D.A.M. Editorial team.
