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Test Code LAB2730 EB VIRUS SEROLOGY

Additional Codes

CPT Code: 86663

Performing Laboratory

Maryland State Health Department, Baltimore, MD - Serology

Specimen Requirements

Draw blood in 2 gold-top serum gel tubes. (Hemolyzed specimen is not acceptable.) Spin down and send 4 mL of serum.

Reference Values

ANTIBODY TO VIRAL CAPSID ANTIGEN (VCA), IgG

Negative

ANTIBODY TO VCA, IgM

Negative

EARLY ANTIGEN

Negative

NUCLEAR ANTIGEN

Negative

INTERPRETATION

Antibody to VCA, IgG:  peaks by week 3, lasts a lifetime

Antibody to VCA, IgM:  peaks by week 2, disappears in 3 months

Early antigen:  peaks by 1 month, disappears by 3 months

Nuclear antigen: detectable after 3 months, lasts a lifetime