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Epstein-Barr Virus Nuclear Antigen (EBNA) Antibody (IgG) : 8564
Test CodeEBVNA or 8564
Alias/See Also
EBV Antibody; EBNA; EBV; EBV NA; EBV Nuclear Antigen Ab; EBV Past Infection; Epstein-Barr Nuclear Antigen Ab; Epstein-Barr Virus EBNA
CPT Codes
86664
Preferred Specimen
1.0 mL serum
Minimum Volume
0.5 mL
Transport Temperature
Refrigerated
Specimen Stability
Room temperature: 4 days
Refrigerated: 7 days
Frozen: 30 days
Refrigerated: 7 days
Frozen: 30 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Gross hemolysis; grossly lipemic
Methodology
Immunoassay
Setup Schedule
Monday & Wednesday & Friday
Report Available
1-4 days
Reference Range
U/mL Interpretation
<18.00 Negative
18.00-21.99 Equivocal
>21.99 Positive
<18.00 Negative
18.00-21.99 Equivocal
>21.99 Positive
Clinical Significance
Primary infection by EBV causes infectious mononucleosis, usually a self-limiting disease in children and young adults. Infection with EBV can cause lymphoproliferative disorders including tumors. EBNA IgG typically appears during convalescence (3-4 months after clinical presentation) and remains detectable for life. VCA-IgM positivity in the absence of EBNA IgG suggests recent, active infection.
Performing Laboratory
med fusion
