Inactivated/Replace Test
Effective Date
09/11/2024
Included in Report
Replacement Test
VARGM – “Varicella IgG/IgM Antibodies” replaced by VZVGM – “Varicella IgG/IgM Antibodies”
Back to Test UpdatesInactivated/Replace Test
Inactivated Test Details
Mnemonic
VARGM
Ordering Code
3017440
CPT-4 Codes(s)
86787 X 2
Replacement Test Details
Mnemonic
VZVGM
Ordering Code
3000906
CPT-4 Codes(s)
86787 x2
Turnaround Time
2 – 4 days
Performed
Sunday - Friday
Legacy Code
VZVGM
Specimen Information
Collect
Serum separator tube (SST)
Specimen Preparation
Centrigure, separate 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: 8 hours
Refrigerated: 48 hours
Frozen: Undetermined
Refrigerated: 48 hours
Frozen: Undetermined
Methodology
Enzyme linked immunoassay, Chemiluminescent Immunoassay
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
<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
Performing Laboratory
Warde Medical Laboratory
New York DOH Approval Status
Yes