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Laboratory Medicine

Test Directory / Infectious mononucleosis Screen

Infectious mononucleosis Screen

EDTA

TestInfectious mononucleosis Screen
Common AbbreviationsGF, IM
ProfileFBC & +/- Routine blood film added on the same sample
Clinical IndicationUsed as a screening test for Infectious mononucleosis. If positive a blood film will be added on to morphologically assess the blood.
Specimen TypeBlood
Sample TypeEDTA
Minimum Volume1 x 3 mL (adult) 1 x 0.5 mL (paed) (can be shared with a FBC & Blood film sample)
Special PrecautionsMust be at least half filled
Stability4-6 hours
Turnaround Time75 min (urgent) 6 hours (routine) 3 days for full report including blood film
LaboratoryYork & Scarborough Hospital
Reference IntervalQualitative
LimitationsInfectious mononucleosis heterophile antibodies are present in 80-90% of acute IM cases, but can only be detected in 60-70% of patients during the first week of clinical illness.
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