EPSTEIN BARR NUCLEAR ANTIGEN

Test Code

EBNAG

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

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.