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VARICELLA ZOSTER VIRUS IgG ANTIBODY

Mnemonic

VZV IGG

Synonym

VZV IgG Antibody - VZ Antibody

Guidelines

In urban populations of the United States, an estimated 95% of the adult population have antibody indicating previous exposure and immunity.

Specimen Collection Requirements

Collect

Serum, one 5.0 mL gold (SST) or 7.0 mL red top tube

Handling

Allow serum to clot completely at room temperature (minimum – SST: 30 minutes, red top tubes: 60 minutes). Centrifuge and separate serum from cells ASAP.

Preferred Volume

0.5 mL Serum

Minimum Volume

0.25 mL Serum (0.75 mL minimum whole blood draw)

Transport

Refrigerated (2-8°C).

Rejection Criteria

Grossly hemolyzed, icteric or lipemic specimens; contaminated specimens; heat inactivated specimens; plasma.

Stability

AFTER SEPARATION FROM CELLS: Room temperature (18-26°C): Unacceptable; Refrigerated (2-8°C): 7 days; Frozen (≤ -10°C): 30 days (not more than 5 freeze/thaw cycles).

Testing Information

Performed

Mon - Fri

Reported

24-72 hours

Method

Chemiluminescent Immunoassay

Reference Values

Reference Values

<= 134.9 Index              Negative for Varicella-zoster IgG antibody.

135.0 – 164.9 Index      Equivocal for Varicella-zoster IgG antibody. Repeat testing in 7-14 days may be helpful.

>= 165.0 Index              Positive for Varicella-zoster IgG antibody.

 

CPT Codes

86787

Last Updated: Tuesday, May 1, 2018 11:20:17 AM


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