Varicella-Zoster Virus Antibody, IgM


Sunquest Code:VZVM  
Epic Code:LAB163Epic Name:VARICELLA ZOSTER ANTIBODY IGM
Synonyms:Varicella Zoster Antibody IgM
Methodology:Enzyme-linked immunosorbent assay
CPT Code:86787
Turnaround Time:Specimens are sent to reference laboratory Mon-Sat; results are reported in 1-5 days.
Special Instructions:Parallel testing is preferred. Label samples as acute or convalescent. Convalescent specimens must be received within 30 days from receipt of the acute specimens.


Collection Instructions

Specimen:Blood
Optimal Volume:2 mL
Minimum\Peds Volume:0.4 mL
Container:Red or gold (gel) (Red (no gel))
Causes for Rejection:Lipemic, hemolyzed, icteric


Processing and Shipping

Specimen Processing:Separate serum from cells ASAP. Aliquot 1 mL, 0.1 mL minimum. Store in refrigerator.
Shipping Instructions:Ship at refrigerated temperature.
Test Performed at or Referral Lab Lab Sendouts  (ARUP)
Referral Lab number:99314 (VZM)


Interpretive

Reference Range:

0.90 ISR or less

Negative: No significant level of detectable varicella-zoster virus IgM antibody.

0.91-1.09 ISR

Equivocal: Repeat testing in 10-14 days may be helpful.

1.10 ISR or greater

Positive: Significant level of detectable varicella-zoster virus IgM antibody. Indicative of current or recent infection. However, low levels of IgM antibodies may occasionally persist for more than 12 months post-infection or immunization.

 

 



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