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Test Code VZ IgG Varicella Antibody Titer, IgG

Performing Laboratory

Memorial Hospital- Virology Laboratory              304-388-9618

Specimen Requirements

Serum-Plain Red Top Tube

Draw 4 ml (minimum 2 mL) blood 

Allow sample to clot naturally before centrifugation

Centrifuge and remove serum within 8 hours of collection   

Specimen Rejection

  • Improperly labeled, collected, stored, and transported
  • Quantity not sufficient
  • Hemolyzed serum
  • Serum subject to repeat freeze thaw cycles

Storage and Stability

Room Temperature Up to 8 hours
Refrigerate > 8 hours - 5 days
Freeze > 5 days

Reference Values

Acute and convalescent serum collected 2-3 weeks after the acute phase serum are required for diagnosis.  The change must be at least 4 fold to be diagnostic.  Titer changes may also occur in Varicella Zoster shingles.  

Methodology

Indirect Immunofluorescence

 

Days Test Set Up and Turnaround

Monday through Friday, Batched Daily

Results available same day as testing

CPT Coding

86787