Parvovirus B19 Antibody, IgG

Sunquest Code:PARVG  
Epic Code:LAB6038Epic Name:Parvovirus B19 Antibody IgG
Methodology:Enzyme-linked immunosorbent assay
CPT Code:86747
Turnaround Time:Specimens are sent to reference laboratory Mon-Sat; results are reported in 1-2 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

Optimal Volume:1 mL
Minimum\Peds Volume:0.8 mL
Container:Red or gold (gel) (Green (lithium heparin, gel), Green (sodium heparin, no gel), Purple (EDTA), Red (no gel))
Causes for Rejection:Severely lipemic, hemolyzed or icteric specimens.

Processing and Shipping

Specimen Processing:Centrifuge ASAP and aliquot 0.5 mL, 0.3 mL minimum. Store in refrigerator.
Shipping Instructions:Ship at refrigerated temperature.
Test Performed at or Referral Lab Lab Sendouts  (ARUP)
Referral Lab number:65121 (PARVO G)


Reference Range:

0.89 IV or less

Negative - No significant level of detectable Parvovirus B19 IgG antibody

0.90-1.10 IV

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

1.11 IV or greater

Positive - IgG antibody to Parvovirus B19 detected which may indicate a current or past infection.

Seroconversion between acute and convalescent sera is considered strong evidence of current or recent infection. The best evidence for infection is a significant change on two appropriately timed specimens, where both tests are done in the same laboratory at the same time.


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