Epstein-Barr Virus Antibody to Viral Capsid Antigen, IgG and IgA
Ordering Recommendation

Do not use for diagnosis of Epstein-Barr virus infectious mononucleosis. May aid in the detection and prognosis of nasopharyngeal carcinoma.

Enzyme-Linked Immunosorbent Assay/Semi-Quantitative Chemiluminescent Immunoassay
1-8 days
New York DOH Approval Status
This test is New York DOH approved.
Submit With Order
ARUP Consult®
Disease Topics
Specimen Required
Patient Preparation
Serum Separator Tube (SST). 
Specimen Preparation
Allow specimen to clot completely at room temperature. Separate from cells ASAP or within 2 hours of collection. Transfer 2 mL serum to an ARUP Standard Transport Tube. (Min: 0.5 mL) Parallel testing is preferred and convalescent specimens must be received within 30 days from receipt of the acute specimens. 
Storage/Transport Temperature
Unacceptable Conditions
Contaminated, heat-inactivated, or grossly hemolyzed specimens. 
Label specimens plainly as acute or convalescent. 
After separation from cells: Ambient: 48 hours; Refrigerated: 2 weeks; Frozen: 1 year (Avoid repeated freeze/thaw cycles). 
Reference Interval
Test Number
Reference Interval
0050235Epstein-Barr Virus Antibody to Viral Capsid Antigen, IgGEffective February 19, 2013

17.9 U/mL or less: Not Detected
18.0-21.9 U/mL:  Indeterminate.  Repeat testing in 10-14 days may be helpful.
22.0 U/mL or greater: Detected
0051626Epstein-Barr Virus Antibody to Viral Capsid Antigen, IgAEffective February 19, 2013

0.79 U/mL or less:  Not Detected
0.80 - 1.20 U/mL: Indeterminate.  Repeat testing in 10-14 days may be helpful.
1.21 U/mL or greater:  Detected

Interpretive Data

Statement D: Compliance Statement D: For laboratory tests using a manufactured RUO kit. This test was developed and its performance characteristics determined by ARUP Laboratories. The U. S. Food and Drug Administration has not approved or cleared this test; however, FDA clearance or approval is not currently required for clinical use. The results are not intended to be used as the sole means for clinical diagnosis or patient management decisions.

Hotline History
Component Test Code*Component Chart NameLOINC
0050235EBV Antibody to Viral Capsid Antigen IgG7885-7
0051626EBV Antibody To Viral Capsid Antigen IgA31369-2
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please view this test within the Laboratory Test Directory found at www.aruplab.com
  • EBV and VCA Ab
  • EBV Antibodies
  • EBV VCA- Ab
  • Infectious Mononucleosis