ARUP's Laboratory Test Directory
| 0051079: Influenza B Virus Antibody, IgM |
| Test Mnemonic: FLUB M | |
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Methodology: Enzyme-Linked Immunosorbent Assay
Performed: Mon, Wed, Fri Reported: 1-6 days |
| Specimen Required: | |
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Collect: One 4 mL SST.
Transport: 1 mL serum at 2-8°C. (Min: 0.2 mL) Submit specimen in an ARUP Standard Transport Tube. Pediatric Collection/Transport: 0.1 mL serum at 2-8°C. Remarks: Ambient and frozen specimens are also acceptable. Separate serum from cells ASAP. Acute and convalescent specimens must be labeled as such; parallel testing is preferred and convalescent specimens must be received within 30 days from receipt of the acute specimens. Please mark specimen plainly as "acute" or "convalescent." Unacceptable Conditions: Plasma. Lipemic, hemolyzed, icteric, turbid, bacterially contaminated, or heat-inactivated specimens. Stability: After separation from cells: Ambient: 2 days; Refrigerated: 2 weeks; Frozen: 1 year |
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| Reference Interval: |
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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 |