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EPSTEIN BARR NUCLEAR ANTIGEN
Test CodeEBNAG
CPT Codes
86664
Preferred Specimen
1 Gold tube (gel separator)
Minimum Volume
0.5 mL
Instructions
Centrifuge for complete separation of plasma/serum and red cells. See Specimen Container for appropriate sample type. Refrigerate until tested.
Specimen Stability
2-8°C up to 7 days; otherwise freeze at -20° or lower
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Hemolysis interferes
Methodology
Multiplex Flow Immunoassay
Setup Schedule
M, T, W, Th, F
Clinical Significance
IgG antibodies to NA normally rise during convalescence and will persist for life. A positive result indicates that the patient has antibody to Epstein Barr Virus Early Antigen (EBV-EA). It does not differentiate between an active or past infection.
Performed By
Alverno Laboratories
Performing Laboratory
Alverno Central Lab
NIM5 (Immunology, Bioplex)
Last Updated: April 25, 2023