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HelpEpic Code LAB1231845 VZV IgG
Test Name Alias
Varicella-Zoster Virus (VZV) Antibody, IgG | 10274 | LAB162 | VZV | Herpes Zoster
Clinical Information
For evaluation of varicella zoster immunity status.
Collection Instructions
Specimen Collection: Blood
Container(s): Gold Top (Serum Separator-SST Gel)
Preferred Volume to Collect: 5.0 mL
Minimum Volume to Collect: 1.0 mL
Neonate Volume to Collect: 1.0 mL
Capillary collect ok: Yes
Microtainer acceptable: Yes
Collection Instructions:
- Gently invert gold tube(s) 8 - 10 times to mix clot activator with blood.
- Specimen should be processed within 2 hours – See Processing Instructions.
Processing Instructions (Laboratory, Outpatient or Off-site collection)
- Processed Specimen: Serum
- Centrifuge/Spin: Yes
- Aliquot: No
- Processing Instructions: Allow blood to clot for 30 minutes in a vertical position and centrifuge within 2 hours.
- Transport Temperature: Refrigerate
Rejection Criteria
Specimen not centrifuged within 2 hours
Specimen Stability
Ambient: 12 hours
Refrigerate: 7 days
Frozen: aliquot serum for longer storage
Laboratory Retention: 7 days
Test Frequency
Available Mon-Fri, usual TAT 1-3 days.
Reference Range
Positive (≥ 1.1 AI)
IgG antibodies to Varicella-zoster virus detected suggesting previous exposure through infection or vaccination.
Equivocal (0.9-1.0 AI)
Negative (≤0.8 AI)
Absence of IgG antibodies specific to Varicella-zoster virus suggesting no previous exposure through infection or vaccination.
Performing Department
Immunochemistry
Performing Department Laboratory Location
Corewell Health Reference Laboratory, Grand Rapids, MI
Methodology
Multiplex flow assay
CPT
86787
CDM Code
3028678703
Epic Test ID
1230101274
LOINC
Varicella Ab IgG: 15410-4
Mayo Access Code
SHO8554
Reviewed Date
12/13/2022
Updated Date
12/26/2024 - Order Code, Test name, Aliases
1/17/2025 - Reference Range