Cytomegalovirus Antibody (IgG)

Test Code
CMVIS(403)

Quest Code
403

Alias/See Also
CMV IGG

CPT Codes
86644

Preferred Specimen
1 mL serum

Minimum Volume
0.5 mL

Transport Container
Plastic screw-cap vial

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
Tue, Thu, Sat

Report Available
1 to 4 Day(s)

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.

Performing Laboratory
Quest Diagnostics Nichols Institute
27027 Tourney Road
Valencia, CA 91355-5386



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.