A blood test that measures IgM antibodies against Epstein-Barr virus.
Helps diagnose glandular fever (infectious mononucleosis). IgM antibodies appear early, so a positive IgM usually suggests a recent or current infection.
Fever, rash, jaundice, suspected exposure to infection, before surgery or pregnancy, as advised by a doctor.
No fasting needed.
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Antibodies take some days to weeks to appear after infection, so your doctor may time or repeat the test based on when symptoms began.
No fasting is needed. You can eat and drink normally unless your doctor has advised otherwise.
Usually a blood sample; for some infections a swab, CSF, urine or other sample is used — as advised by your doctor.
Usually within 3–4 days after the sample reaches the lab. You will receive the report online.
