ARUP's Laboratory Test Directory

Influenza A Virus Antibody, IgG : 0051074

Mnemonic: FLUA G

Methodology: Semi-Quantitative Enzyme-Linked Immunosorbent Assay
Performed: Mon, Wed, Fri
Reported: 1-4 days
Specimen Required: Collect: Serum separator tube.

Specimen Preparation: Separate serum from cells ASAP or within 2 hours of collection. Transfer 1 mL serum to an ARUP Standard Transport Tube. (Min: 0.05 mL) Parallel testing is preferred and convalescent specimens must be received within 30 days from receipt of the acute specimens. Mark specimens plainly as "acute" or "convalescent."

Storage/Transport Temperature: Refrigerated. Also acceptable: Room temperature or frozen.

Unacceptable Conditions: Plasma. Bacterially contaminated, heat-inactivated, hemolyzed, icteric, lipemic, or turbid specimens.

Stability (collection to initiation of testing): After separation from cells: Ambient: 48 hours; Refrigerated: 2 weeks; Frozen: 1 year
Reference Interval:
0.89 IV or less: Negative - No significant level of influenza A virus IgG antibody detected.
0.90-1.10 IV: Equivocal - Questionable presence of influenza A virus IgG antibody detected.  Repeat testing in 10-14 days may be helpful.
1.11 IV or greater: Positive - IgG antibodies to influenza A virus detected, which may suggest current or past infection.
CPT Code(s): 86710
Cross References: Flu A (Influenza A Virus Antibody, IgG)
 
 

 

 

 
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