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Test Code:
090-31-0900-02

Order Name:
Varicella-Zoster IgG (for Pre-Employment only) **

 
Useful For:
Determination of immune status of individuals to the varicella-zoster virus (VZV) Determine if someone has been previously exposed to VZV either through past infection or vaccination and has developed immunity to the disease
 
Methodology:
Enzyme Immunoassay (EIA)
 
 
 
Test Code:
090-31-0900-02

Order Name:
Varicella-Zoster IgG (for Pre-Employment only) **

 
Patient Preparation:
This order is for Pre-Employment Bumrungrad Hospital Staff only
 
Collection Specimen Or Container:
This order is for Pre-Employment Bumrungrad Hospital Staff only
Blood/ Plain blood (Red top) 6 mL, 1 tube
 
Specimen Testing Type:
Serum, minimum volume 1 mL
 
Sub Mission Container:
Plastic tube
 
 
 
Test Code:
090-31-0900-02

Order Name:
Varicella-Zoster IgG (for Pre-Employment only) **

 
Method detail:
Enzyme Immunoassay (EIA)
 
Schedule:
N/A **Sent Out to PCT Laboratory
 
Turnaround Time:
3 days
 
Performing Location:
PCT Laboratory
Referral Lab Services, Laboratory Department 14160-2
 
 
 
Test Code:
090-31-0900-02

Order Name:
Varicella-Zoster IgG (for Pre-Employment only) **

 
 
Clinical Information:
When someone is exposed to VZV, the person's immune system responds by producing antibodies to the virus. Laboratory tests can detect and measure the level of two classes of VZV antibodies in the blood: IgM and IgG. IgG antibodies are produced by the body several weeks after the initial VZV infection and provide long-term protection. Levels of IgG rise during the active infection, then stabilize as the VZV infection resolves and the virus becomes inactive. Once a person has been exposed to VZV, that person will have some measurable amount of VZV IgG antibody in their blood for the rest of their life. VZV IgG antibody testing can be used, along with IgM testing, to help confirm the presence of a recent or previous VZV infection.
 
Reference Value:
Negative < 80 IU/L
Equivocal (Borderline) >= 80 to < 110 IU/L
Positive >= 110 IU/L or greater 
 
Interpretation:
Negative: No significant level of detectable varicella-zoster IgG antibody.
Equivocal (Borderline): Repeat testing in 10-14 days may be helpful.
Positive: IgG antibody to varicella-zorter virus detected, which may indicate a current a current or past varicella-zorter virus infection or vaccination.
 
Clinical Reference:
https://labtestsonline.org (Retrieved: 30 Jan 2019)