Test Details

Mnemonic

INFAM

Ordering Code

3684040

CPT-4 Code(s)

86710

Specimen Information

Collect

Serum separator tube (SST)

Specimen Preparation

Centrifuge, separate serum from cells within 2 hours and send 1.0 mL serum in a screw capped plastic vial.

Alternate Specimen

Red top

Minimum Volume

0.05 mL

Transport Temperature

Refrigerated

Rejection Criteria

Plasma, hemolyzed, lipemic, icteric, heat inactivated or turbid specimens

Stability

Room temperature: 2 days
Refrigerated: 14 days
Frozen: 1 year

Methodology

Semi-quantitative Enzyme Linked Immunosorbent Assay
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Reference Range

Components Reference Interval
Influenza A Virus Antibody, IgM ≤0.89 IV:
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: Positive- IgM antibodies to
influenza A virus detected, which may
suggest current or recent infection.
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Performing Laboratory

ARUP Reference Laboratory
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New York DOH Approval Status

Yes
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