Home PageHome Page


Test Code
Test is intended to assess an individual's immune status to VZV prior to administration of VZA vaccine.
SynonymsHerpes Zoster Antibody, IgG; VZA; Herpes Zoster, IgG; Varicella-Zoster Ab (Chicken Pox); VZV; VZV, IgG; Shingles
Container TypeSerum separator tube (gold, brick, SST, or corvac)
Supply Item Numberpicture1467
Specimen TypeSerum
Preferred Volume1 mL
Minimum Volume0.5 mL
Specimen ProcessingSeparate serum from cells and transfer to a standard PAML aliquot tube.
Store and TransportRefrigerated
StabilityRoom Temp 8 hours  Refrigerated 2 weeks  Frozen (-20 °C) 1 month  
Unacceptable ConditionIcteric, hemolyzed, heat inactivated, or plasma specimens
CPT Codes86787
Billing CodeVZA
Test ScheduleMon-Sat
Turnaround Time1-3 days
Test IncludesVaricella-zoster Antibody, IgG, ISR
Reference Ranges
Varicella-Zoster Ab IgG 
 LT 0.91   Negative-No significant level of  ISR
           IgG Ab to Varicella Zoster virus
           detected. Patient may be susceptible
           to primary infection.
 0.91-1.09 Indeterminate-Varicella zoster virus
           IgG antibody status equivocal. Cannot
           determine the patient's immune status.
           Repeat testing in 10-14 days may be
           helpful in determining the presence
           or absence of infection.
 GT 1.09   Positive-Significant level of IgG Ab
           to Varicella Zoster virus detected.
           Indicates current or previous 
           infection or vaccine response.

Interface Codes
typeorder codetest descriptionresult coderesult descriptionunitsdecimal placesloinc code
o86787.Z1Varicella Zoster IgG Antibody
r86787.Z1Varicella Zoster IgG Antibody86787.Z1Varicella Zoster IgG AntibodyISR25403-1