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Cytomegalovirus Antibody (IgG)

Test Code
CMVAB


Preferred Specimen
1 mL serum


Minimum Volume
0.5 mL


Transport Container
Transport tube


Transport Temperature
Room temperature


Specimen Stability
Room temperature: 4 days
Refrigerated: 7 days
Frozen: 30 days


Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Gross hemolysis • Grossly lipemic • Grossly icteric


Methodology
Immunoassay (IA)

Setup Schedule
Tues, Thurs, Sat


Report Available
3 days


Reference Range
U/mL Interpretation
<0.60 Negative
0.60-0.69 Equivocal
≥0.70 Positive
A positive result indicates that the patient has antibody to CMV. It does not differentiate between an active or past infection.


Clinical Significance
CMV infections are common and usually asymptomatic. In patients who are immunocompromised, CMV may cause severe disseminated disease. CMV may cause birth defects in a minority of infected newborns. CMV IgG antibodies may represent prior exposure or recent infection.




The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.