Epstein-Barr Virus Antibody to Early D Antigen (EA-D), IgG : ARUP Lab Tests

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Epstein-Barr Virus Antibody to Early D Antigen (EA-D), IgG : 0050225

Mnemonic: EBV EAD

Methodology:	Semi-Quantitative Chemiluminescent Immunoassay
Performed:	Mon-Sun
Reported:	1-2 days
Specimen Required:	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 or heat-inactivated specimens. Stability (collection to initiation of testing): After separation from cells: Ambient: 48 hours; Refrigerated: 2 weeks; Frozen: 1 year (avoid repeated freeze/thaw cycles)

Reference Interval: 8.9 U/mL or less: Negative - No significant level of detectable IgG antibody to EBV early (D) antigen. 9.0-10.9 U/mL: Equivocal - Repeat testing in 10-14 days may be helpful. 11.0 U/mL or greater: Positive - IgG antibody to EBV early (D) antigen detected, which may indicate a current or past EBV infection.
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
Cross References:	EBNA Antibody (Epstein-Barr Virus Antibody to Early D Antigen (EA-D), IgG), EBV Antibody to Early D Antigen (Epstein-Barr Virus Antibody to Early D Antigen (EA-D), IgG), EBV Nuclear Antibody (Epstein-Barr Virus Antibody to Early D Antigen (EA-D), IgG), Infectious Mononucleosis (Epstein-Barr Virus Antibody to Early D Antigen (EA-D), IgG)

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