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What is Monospot Test (Mononucleosis)?

A mononucleosis spot test (monospot test) is a screening test for mononucleosis. The test detects a type of antibody (heterophil antibody) that forms during certain infections, especially during infection with the Epstein-Barr virus.

Who should get this test?

The monospot test is done to help diagnose a recent mono infection.
Epstein-Barr virus (EBV) antibody testing is also done to help diagnose mono. The EBV antibody test can help determine whether you have ever been infected with the virus and whether the infection has been recent.
EBV antibody testing is usually done when you have symptoms of infectious mononucleosis and a monospot test result is negative. EBV antibody testing may also be done to check for antibodies to EBV when a person has a disease or uses medicine that causes problems with the immune system.

When will I receive my results?

Once completed, you will receive your results within 3-5 business days in your LabFinder portal.

How do I prepare? Do I need to fast?

No preparation or fasting required. Just bring your LabFinder Order and Insurance Card to your appointment.

Book a Monospot Blood Test (Mononucleosis)