69600:EPSTEIN-BARR VIRUS ANTIBODY TO VIRAL CAPSID ANTIGEN (VCA), IgM

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69600:EPSTEIN-BARR VIRUS ANTIBODY TO VIRAL CAPSID ANTIGEN (VCA), IgM
Alias Names: EBV VCA
Methodology: Multiplex flow immunoassay (Luminex)
Edit Date: 6/11/2010
Performed: Daily
Released: Same day as tested
CPT Code: 86665
Specimen Collection Details
Collection: One 7.5 mL serum separator tube (SST). Also acceptable: One 5 mL red top tube.
Handling: Allow to clot 10 minutes. Centrifuge and immediately separate serum from cells into a plastic vial. Refrigerate. Freeze at -20° C if specimen cannot be assayed within 7 days. Allow no more than 3 freeze/thaw cycles.
Stability: 8 hours ambient, 7 days refrigerated at 2-8° C, or 1 year frozen at -20° C.
Standard Volume: 1 mL serum.
Minimum Volume: 0.5 mL serum.
Transport: Refrigerated if received in laboratory within 7 days of collection, or frozen on dry ice.
Rejection Criteria: Plasma; gross lipemia; hemolysis; specimen that has been frozen/thawed more than 3 times; heat inactivation; refrigerated specimen received in laboratory more than 7 days of collection, or ambient more than 8 hours of collection.

Reference Range:
0.8 AI (AI = Antibody Index)

EBV IgM Antibody to Viral Capsid Antigen (VCA) Result Interpretation, Luminex Method:

<0.8 AI
Negative: No significant level of detectable IgM antibody to EBV Viral Capsid Antigen (VCA)
0.90-1.0 AI
Equivocal: Repeat testing in 10-14 days may be helpful
≥ 1.1 AI
Positive: IgM antibody to EBV Viral Capsid Antigen (VCA) detected which may indicate a current or recent
EBV infection