ARUP's Laboratory Test Directory

Influenza A & B Virus Antibodies, IgG & IgM : 0051069

Mnemonic: INFLU ABS

Methodology: Semi-Quantitative Enzyme-Linked Immunosorbent Assay
Performed: Mon, Wed, Fri
Reported: 1-6 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:
 
Test Number Components Reference Interval
0051074Influenza A Virus Antibody, IgG 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.
0051081Influenza A Virus Antibody, IgM 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.
0051080Influenza B Virus Antibody, IgG 0.89 IV or less: Negative - No significant level of influenza B virus IgG antibody detected.
0.90-1.10 IV: Equivocal - Questionable presence of influenza B virus IgG antibody detected.  Repeat testing in 10-14 days may be helpful.
1.11 IV or greater: Positive - IgG antibodies to influenza B virus detected, which may suggest current or past infection.
0051079Influenza B Virus Antibody, IgM 0.89 IV or less: Negative - No significant level of influenza B virus IgM antibody detected.
0.90-1.10 IV: Equivocal - Questionable presence of influenza B virus IgM antibody detected.  Repeat testing in 10-14 days may be helpful.
1.11 IV or greater: Positive - IgM antibodies to influenza B virus detected, which may suggest current or recent infection.

CPT Code(s): 86710 x4
Cross References: Flu A & B (Influenza A & B Virus Antibodies, IgG & IgM)