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Test Code 76480009 Epstein-Barr Viral Capsid IgM, Serum

Performing Laboratory

Barnes-Jewish Hospital laboratory


Multiplex Flourescent Immunoassay

Testing for the IgM antibody to viral capsid antigen (VCA)

Literature Reference:

1. EBV IgM package insert, Bio-Rad Laboratories, Inc. 3/2012

2. Stevens CD. Clinical immunology and serology: a laboratory perspective. 2nd ed.  Davis, 2003:330-2.

3. Henry JB. Clinical diagnosis and management by laboratory methods, 20th ed. Saunders, 2001:593-5, 56-7.

4. Straus SE, Cohen JI, Tosato G, Meier J. Epstein-Barr virus infections: biology, pathogenesis, and management (NIH Conference), Ann Intern Med. 1993; 118: 45-58.

Specimen Requirements

Specimen Type:Serum only

Container/Tube: Plain red top, red/grey separator

Specimen Volume:Full tube, minimum 1mL of serum

Day(s) Test Set Up

Monday - Sunday

Cut-off time: 1300

Turnaround Time:

STAT: not available

Routine: results available the day of testing

Reference Values


No detectable IgM antibody to EBV Capsid Antigen.  A negative result indicates no current infection with EBV.


Uncertain immune status, suggest sending additional specimen.


Indicates the presence of detectable IgM antibody to EBV Capsid antigen.  This indicates a current or reactive infection with EBV.


Test Classification and CPT Coding


Additional Information

Alternate Tube:


Analyte Stability:

Specimen may be stored at 2 °C to 8 ° C for 7 days prior to testing with no more that 3 freeze/thaw cycles.

Specimen may be sored at -20 ° C for up to 1 year.

Laboratory Processing Instructions:

Test performed in BJH Core Laboratory. Specimen will be processed on the automated line for delivery to the AOB rack with a minimum of 1 mL of serum.  Completed specimens will be stored 7 days refrigerated.

Specimen Transport Temperature


LOINC Code Information

Epstein Barr Virus, IgM