Test Details

Mnemonic

VARGM

Ordering Code

3017440

CPT-4 Code(s)

86787 X 2

Specimen Information

Collect

SST

Specimen Preparation

Centrigure, separate and send 1.0 mL serum refrigerated in a screw-capped plastic vial.

Alternate Specimen

Serum: Plain red-top

Minimum Volume

0.5 mL

Transport Temperature

Refrigerated

Rejection Criteria

Grossly hemolyzed or lipemic specimens; Plasma

Stability

Room temperature: 8 hours
Refrigerated: 48 hours
Frozen: 14 days

Methodology

Enzyme linked immunoassay, Chemiluminescent Immunoassay
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Reference Range

Varicella Zoster IgG Antibody:
<135 Index value|Negative: No antibody detected
135-165|Equivocal:|Repeat testing in 10-14 days may be helpful
>165|Positive:|igG antibody to Varicella detected which may indicate current or previous exposure/immunization to Varicella
Varicella Zoster IgM Antibody:
Negative:|≤0.9 Index
Equivocal:|0.91-1.09 Index
Positive:|≥1.10 Index
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Performing Laboratory

Warde Medical Laboratory
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