Epstein-Barr Virus Antibody to Early D Antigen (EA-D), IgG
0050225
 
Ordering Recommendation
May aid in the diagnosis of acute Epstein-Barr virus (EBV) infection and EBV reactivation in conjunction with other serologic studies. Molecular tests are preferred to detect EBV reactivation. Not a stand-alone test.
Mnemonic
EBV EAD
Methodology
Semi-Quantitative Chemiluminescent Immunoassay
Performed
Mon-Sun
Reported
1-2 days
New York DOH Approval Status
This test is New York DOH approved.
Specimen Required
Patient Preparation
 
Collect
Serum separator tube.  
Specimen Preparation
Separate serum 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. Mark specimen plainly as "acute" or "convalescent."  
Storage/Transport Temperature
Refrigerated.  
Unacceptable Conditions
Tissue or urine. Contaminated, grossly hemolyzed, or heat-inactivated specimens.  
Remarks
 
Stability
After separation from cells: Ambient: 48 hours; Refrigerated: 2 weeks; Frozen: 1 year (avoid repeated freeze/thaw cycles)  
Reference Interval
Effective February 19, 2013

8.9 U/mL or less: Not Detected
9.0-10.9 U/mL: Indeterminate - Repeat testing in 10-14 days may be helpful.
11.0 U/mL or greater: Detected
Interpretive Data
Interpretive information regarding serologic features of EBV-associated diseases is available at www.arupconsult.com/ebvdx .
Note
EBV EA-D values obtained with different manufacturers' assay methods may not be used interchangeably. The magnitude of the reported EBV EA-D level cannot be correlated to an endpoint titer.
CPT Code(s)
86663
Components
Component Test Code*Component Chart Name
0050225EBV Antibody to Early (D) Antigen IgG
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, contact interface support at interface.support@aruplab.com.
Cross References
  • EA-D IgG Ab
  • EAD Ab
  • EBNA Antibody
  • EBNA to EA-D
  • EBV Antibody to Early D Antigen
  • EBV Nuclear Antibody