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A B C D E F G H I J K L M N O P Q R S T U V W X Y Z # |
Cytomegalovirus Antibody (IgM)
Test Code8503
CPT Codes
86645
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
Refrigerated: 7 days
Frozen: 30 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Gross hemolysis • Grossly lipemic • Grossly icteric
Methodology
Immunoassay (IA)
Setup Schedule
Set up: Tues, Thurs, Sat a.m.; Report available: Next day
Limitations
False-positive IgM test results may be due to the presence of heterophile antibodies or presence of rheumatoid factor.
Reference Range
AU/mL | Interpretation |
<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 disseminated, severe disease. CMV may cause birth defects in a minority of infected newborns.
Performing Laboratory
Quest Diagnostics Nichols Institute
14225 Newbrook Drive
Chantilly, VA 20153