Ordering Recommendation

Do not use to diagnose acute influenza infections. Serological testing for influenza should be used for research and public health investigations only.

Mnemonic

FLUA G

Methodology

Semi-Quantitative Enzyme-Linked Immunosorbent Assay

Performed

Mon, Wed, Fri

Reported

1-4 days

New York DOH Approval Status

This test is New York DOH approved.

Specimen Required

Patient Preparation
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

Bacterially contaminated, heat-inactivated, hemolyzed, icteric, lipemic, or turbid specimens.

Remarks
Stability

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.

Interpretive Data



Compliance Category

FDA

Note

Hotline History

N/A

CPT Codes

86710

Components

Component Test Code* Component Chart Name LOINC
0051074 Influenza A Virus Antibody IgG 31437-7
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.

Aliases

  • Flu A
  • Flu A IgG
Influenza A Virus Antibody, IgG