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Test Code 88 Infectious Mononucleosis (MonoSpot)

Specimen Containers and Fixatives

Gold Top Tube (SST)

PST is also acceptable

Specimen Required

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

Hospital setting: submit 1.3 mL (0.5 min) blood.

Client Special Instructions

EDTA plasma (Lavender Top Tube) is also acceptable.

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