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A B C D E F G H I J K L M N O P Q R S T U V W X Y Z # |
Varicella-Zoster Virus Antibodies (IgG, IgM)
Test Code34128
CPT Codes
86787 (x2)
Preferred Specimen
1.5 mL serum
Minimum Volume
1 mL
Transport Container
Plastic screw-cap vial
Transport Temperature
Room temperature
Specimen Stability
Room temperature: 4 days
Refrigerated: 7 days
Frozen: 30 days
Refrigerated: 7 days
Frozen: 30 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Gross hemolysis • Grossly lipemic • Grossly icteric
Methodology
Immunoassay (IA)
Setup Schedule
Set up: Tues-Sat a.m.; Report available: Next day
Limitations
Other herpes viruses may cross react and produce high titers. Protection may be limited at low positive titers. Antibodies persist after infection has been treated or becomes dormant.
Reference Range
VZV Ab (IgG) |
<135.00 | Negative - Antibody not detected |
135.00-164.99 | Equivocal |
≥165.00 | Positive - Antibody detected |
VZV Ab (IgM) |
0.00-0.90 | Negative |
0.91-1.09 | Equivocal |
≥1.10 | Positive |
Clinical Significance
Varicella Zoster Virus (VZV) causes chickenpox and when
reactivated, potentially decades later,
causes shingles. Twenty percent of adults will develop
shingles, a rash or blister of the skin that may cause
severe pain.
reactivated, potentially decades later,
causes shingles. Twenty percent of adults will develop
shingles, a rash or blister of the skin that may cause
severe pain.
Performing Laboratory
Quest Diagnostics Nichols Institute
14225 Newbrook Drive
Chantilly, VA 20153