Influenza A and B Virus Antibodies, IgG and IgM

Last Modified: 10/5/2020 10:15:24 AM


Medical Necessity Documentation:  
Client Notes:  
Patient Preparation:  
Specimen Requirements:

1.0 mL Serum in a SST Gold Top Tube
Collection Instructions: Mix by inverting tube 5 times.

Separate serum from cells within 2 hours of collection
Minimum Volume: 0.5 mL Serum
Transport & Storage: Temperature/Stability: 48 hours Ambient
2 weeks Refrigerated
1 year Frozen
Rejection Criteria: Plasma. Bacterially contaminated, heat-inactivated, hemolyzed, icteric, lipemic, or turbid specimens
Reference Range:

Components Reference Interval
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

Critical Ranges:  
Test Comments:  
Methodology: Semi-Quantitative Enzyme-Linked Immunosorbent Assay (ELISA)
Clinical Significance: Do not use to diagnose acute influenza infections. Serological testing for influenza should be used for research and public health investigations only.
Documentation:  
Custom Panel: No

PRODUCTION SCHEDULE

Turn Around Time: 3 to 9 days
Days Performed: Monday, Wednesday, Friday
Sites Performed: ARUP Lab
PHL Test Code: MSOT
EPIC Test Code:
Send Out Test Code: 0051069
Alternate Test Names: Flu A & B; Influenza Virus A IgG & IgM Antibodies
Included Tests: Influenza A IgG Antibodies; Influenza A IgM Antibodies; Influenza B IgG Antibodies; Influenza B IgM Antibodies
CPT Coding: 86710 x 4

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