Influenza A Virus Antibody, IgM


Sunquest Code:INFAM  
Epic Code:LAB6026Epic Name:Influenza A AB IGM
Methodology:Enzyme-linked immunosorbent assay
CPT Code:86710
Turnaround Time:Specimens are sent to reference laboratory Mon-Sat; results are reported in 1-6 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:0.3 mL
Container:Red or gold (gel) (Red (no gel))
Causes for Rejection:Plasma, hemolyzed, lipemic, icteric or turbid specimens.


Processing and Shipping

Specimen Processing:Centrifuge and aliquot 1 mL, 0.05 mL minimum. Separate serum ASAP. Store in refrigerator.
Shipping Instructions:Ship at refrigerated temperature.
Test Performed at or Referral Lab Lab Sendouts  (ARUP)
Referral Lab number:51081 (FLUA M)


Interpretive

Reference Range:

0.89 IV or less

Negative: No significant level of influenza A virus IgM antibody detected.

0.90-1.10 IV

Equivocal: Questionable presence of influenza A virus IgM antibody detected. Repeat testing in 10-14 days may be helpful.

1.11 IV or greater

Positive: IgM antibodies to influenza A virus detected, which may suggest current or recent infection.

 

 



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