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Influenza A Virus Antibody, IgM
0051081
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 M
Methodology
Semi-Quantitative Enzyme-Linked Immunosorbent Assay
Performed
Mon, Wed, Fri
Reported
1-6 days
New York DOH Approval Status
This test is New York DOH approved.
Submit With Order
ARUP Consult®
Disease Topics
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
Plasma. Bacterially contaminated, heat-inactivated, hemolyzed, icteric, lipemic, 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 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.
Interpretive Data


Compliance Statement A: Analyte specific reagents (ASR) are used in many laboratory tests necessary for standard medical care and generally do not require U.S. Food and Drug Administration (FDA) approval or clearance. This test was developed and its performance characteristics determined by ARUP Laboratories. The U.S. Food and Drug Administration has not approved or cleared this test; however, FDA clearance or approval is not currently required for clinical use. The results are not intended to be used as the sole means for clinical diagnosis or patient management decisions. This test should not be regarded as investigational or for research use.

Note
CPT Code(s)
86710
Components
Component Test Code*Component Chart NameLOINC
0051081Influenza A Virus Antibody IgM31438-5
* 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 IgM