Test Details
Mnemonic
VAR
Ordering Code
3008000
CPT-4 Code(s)
86787
Specimen Information
Collect
Serum separator tube (SST)
Specimen Preparation
Centrifuge, separate serum from cells and send 1.0 mL serum in a screw capped plastic vial.
Alternate Specimen
Serum: Red top
Minimum Volume
0.5 mL
Transport Temperature
Refrigerated
Rejection Criteria
Grossly hemolyzed or lipemic specimens, plasma
Stability
Room temperature: Unacceptable
Refrigerated: 7 days
Frozen: 14 days
Refrigerated: 7 days
Frozen: 14 days
Methodology
Chemiluminescent Immunoassay
Reference Range
<135 Index value: Negative: No antibody detected
135 - 165 Index value Equivocal: Repeat testing in
10 - 14 days may be helpful
>165 Index value Positive: IgG antibody to
Varicella detected which may indicate
current or previous exposure/immunization
to Varicella
135 - 165 Index value Equivocal: Repeat testing in
10 - 14 days may be helpful
>165 Index value Positive: IgG antibody to
Varicella detected which may indicate
current or previous exposure/immunization
to Varicella
Performing Laboratory
Warde Medical Laboratory
New York DOH Approval Status
Yes