LAB TEST
Myoglobin urine test
The myoglobin urine test is done to detect the presence of myoglobin in urine. Myoglobin can also be measured with a blood test .
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 instructions exactly so…
How the Test will Feel
The test involves only normal urination, which should cause no discomfort.
Why the Test is Performed
Myoglobin is a protein in heart and skeletal muscles. When you exercise, your muscles use up available oxygen. Myoglobin has oxygen attached to it, which provides extra oxygen for the muscles to keep up a high level of activity for a longer period. When muscle is damaged, myoglobin in muscle cells is released into the…
Normal Results
A normal urine sample does not have myoglobin. A normal result is sometimes reported as negative. 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
Abnormal results may be due to: Heart attack Malignant hyperthermia (very rare) Disorder that causes muscle weakness and loss of muscle tissue ( muscular dystrophy ) Breakdown of muscle tissue that leads to the release of muscle fiber contents into the blood ( rhabdomyolysis ) Skeletal muscle inflammation ( myositis )…
Risks
There are no risks with this test.
References
Nagaraju K, Aggarwal R, Lundberg IE. Inflammatory diseases of muscle and other myopathies. In: Firestein GS, Budd RC, Gabriel SE, Koretzky GA, McInnes IB, O'Dell JR, eds. Firestein & Kelly's Textbook of Rheumatology . 11th ed. Philadelphia, PA: Elsevier; 2021:chap 90. Selcen D. Muscle diseases. In: Goldman L, Schafer…
This is a summary. Read the full article at www.ucsfbenioffchildrens.org (reviewed 28/02/2023).
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.