Mar 19, 2015




Clinical Hub,Tools & Resources,UWHC Lab Test Directory,Immunology

EBV Ab to Viral Capsid Ag, IgM

EBV Ab to Viral Capsid Ag, IgM (XEBVP2) Immunology Lab Test

Name: EBV Ab to Viral Capsid Ag, IgM

Test Name: EBV Ab to Viral Capsid Ag, IgM

Health Link Test Code: XEBVP2


CPT Code(s): 86665

Methodology: ELISA

Clinical Information:

The intent of the test system together with other clinical information is to aid in the determination of immune status, and/or aid in the diagnosis of EBV.

Days Performed: Once a week.

In-Lab Turnaround Time: 1 - 4 days.

Stat In-Lab Turnaround Time: Not available stat.

Specimen: Blood

Collection Container: Red cap with yellow ring (SST)

Also Acceptable: Red top

Collection Volume: 1 mL

Pediatric Collection Volume: 1 mL

Stability Ambient:

8 hours

Stability Refridgerated:

7 days

Stability Frozen:

3 months at -20°C or lower

Sample Analyzed: Serum

Testing Volume: 0.5 mL

Pediatric Testing Volume: 0.3 mL

Specimen Processing:

Centrifuge. Transfer cell-free serum to plastic vial. Refrigerate.

Specimen Transport:

Transport specimen to the laboratory. Transport with coolant pack if coming from clinic location.

Unacceptable Criteria:

Grossly hemolyzed/ lipemic, heat-treated serum, microbially contaminated and serum containing heavily-visible particulate.


Negative: No detectable IgM antibodies to EBV-VCA.  This indicates patient has no current infection with EBV and is presumed to be susceptible to a primary infection.
Equivocal: Immune status cannot be determined.  If clinically warranted, a second sample should be taken 7 - 21 days after the first.
Positive: Reactive for IgM antibodies to EBV-VCA, indicating a current or reactivated infection with EBV-VCA. 


All equivocal test results will be repeated within two working days.