Influenza A /B Virus Abs.
Label Mnemonic: INFLU
Epic Lab Code: LAB3420
Downtime Form: A-1a Miscellaneous Request
Commercial Mail-out Laboratory
5231 RCP
356-8593
Specimen(s):
Serum
Specimen Instructions:
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."
Collection Medium:
Red top tube 5 mL (Clot Activator)
Minimum:
Preferred Minimum: 1.0 mL serum
Absolute Minimum: 0.05 mL serum
Rejection Criteria:
Plasma. Bacterially contaminated, heat-inactivated, hemolyzed, icteric, lipemic, or turbid specimens.
Testing Schedule:
Test performed on Monday, Wednesday and Friday.
Turn Around Time:
1-6 days upon receipt at reference laboratory.
Reference Range:
Influenza 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. Influenza 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. Influenza 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. Influenza 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.
Methodology:
Semi-Quantitative Enzyme-Linked Immunosorbent Assay
CPT Code:
86710(x4)