Epstein-Barr Virus Nuclear Antigen (EBNA) Antibody, IgG


Abbrev Code:EBVNA1   
Order Code:LAB6376Order Name:EBV Nuclear Antigen (EBNA) Antibody, IgG
Synonyms:Epstein Barr Virus Nuclear Antibody; EBV NA-1 Antigen, IgG; Epstein-Barr Virus Nuclear Antibody
Methodology:Chemiluminscent immunoassay
CPT Codes: 86664 x1
Turnaround Time:Performed Mon-Fri; results are reported the same day.
Special Instructions:This test (EBNA) should only be ordered in conjunction with the Epstein-Barr IgM antibody and the Epstein-Barr IgG antibody.


Collection Instructions

Specimen:Blood
Optimal Volume:2 mL
Minimum\Peds Volume:0.9 mL
Container:Red or gold (gel)
Alternate Containers: Red (no gel)
Causes for Rejection:Plasma, body fluids, hyperlipemic, grossly hemolyzed or grossly particulate sample


Processing and Shipping

Specimen Processing:Centrifuge and aliquot 1 mL, 0.35 mL minimum. Store in refrigerator up to 7 days.
Shipping Instructions:Ship at refrigerated temperature.
Test Performed at or Referral Lab Specialty Core  (UMMC-East Bank)


Interpretive

Reference Range:
EBV Nuclear Ag, IgG
Less than 18.0 U/mL Negative; no detectable antibody
18.0-22.0 U/mL Equivocal; please recollect in 1-2 weeks or later
22.0 U/mL or greater Positive; suggests convalescent phase
or past exposure
Note: The magnitude of the result above the cut-off is not indicative of the amount of antibody present.
Use:Assists in establishing that the patient is in a convalescent state or was previously exposed to EBV. EBNA antibodies will normally persist for life.


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