Cytomegalovirus Antibodies (IgG, IgM) : 6732

Test Code
CMVGM or 6732


CPT Codes
86645, 86644

Includes
Panel includes: IgG and IgM antibodies.


Instructions
Serum separator tube (SST) or a plain red top tube.


Transport Container
Centrifuge the serum separator tube and transport; if a plain red top tube, centrifuge and aliquot 1.5 mL serum (Min. 0.7 mL) into a standard transport tube.


Transport Temperature
Room temperature.


Specimen Stability
After separation from cells:  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

Setup Schedule
Monday  & Wednesday & Friday


Report Available
1-4 days


Reference Range
CMV IgG (U/mL):
<0.60            Negative
0.60-0.69      Equivocal
≥0.70            Positive
  
CMV IgM (AU/mL):
<30.00               No antibody detected
30.00-34.99       Equivocal
≥35.00               Antibody detected
  


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
med fusion



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.