Cytomegalovirus (CMV) IgM
Specific CMV IgM assay is useful in distinguishing individuals
who have acquired the infection recently from those who have not.
Further information may be gained from IgG avidity testing where
Collection container (including preservatives):
6mL clotted blood tube
Specimen type: Venous Blood
Collection: 6mL blood tube
Specimen transport: No special needs
Minimum volume of sample: 2 mL
Special precautions: If processing is delayed,
refrigeration is preferable to storage at ambient temperature.
Delays of over 48hr are undesirable.
Measurement units: Not applicable
Biological reference units: Not applicable
Turn round time for provisional result (calendar
days): 3 days
Turn round time to final result (calendar
days): 4 days
Clinical decision points: Not applicable
Factors known to significantly affect the