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| Varicella-Zoster Virus (VZV) Antibody, IgG |
| Preferred specimen: |
1.0 mL serum, red top tube or SST. Remove serum from cells and transfer to a plastic transport tube.
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| Minimum specimen: |
0.3 mL serum |
| Notes: |
Acute phase specimen should be drawn as soon as possible after onset of disease (within 7 days). Convalescent specimen should be drawn 10 or more days after the acute phase. Label the specimens as acute or convalescent. |
| Unacceptable specimen: |
Severely lipemic, icteric, hemolyzed, contaminated or heat-inactivated specimens. |
| Transport temp: |
Refrigerated. Freeze if not sent to lab within 48 hours. |
| Methodology: |
Enzyme Immunoassay |
| Unit Code: |
353095 |
| Ref Range: |
<0.75 IV: Negative - No IgG antibody to varicella-zoster detected.
0.75-0.99 IV: Equivocal - Suggest repeat testing in 10-14 days.
>0.99 IV: Positive - IgG antibody to varicella-zoster detected indicative of current or past varicella-zoster infection. The best evidence for current infection is a significant change between acute/convalescent specimens, where both specimens are assayed at the same time. |
| Reported: |
1-5 days |
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