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Test Code 88 Infectious Mononucleosis (MonoSpot)

Specimen Containers and Fixatives

Lavender Top Tube (EDTA) and SST tube

Specimen Required

NorthShore Lab Services: draw 1.3 mL (0.5 min) mL blood,submit 0.5 mL (0.2 min) whole blood and draw 1.3 mL (0.5 min) and centrifuge and submit serum.

Hospital setting: submit 1.3 mL (0.5 min) whole blood and 1.3 mL SST tube.

Day(s) and Time(s) Performed


Daily, 24 hours

Reference Values


May be negative in patients with infectious mononucleosis, especially in children and young adults; order Epstein-Barr profile (Test code 4635) if clinical findings are not consistent with a negative result.

Method Name


CPT Code Information


LOINC Code Information