Influenza A Virus Antibody, IgM
ARUP #51081, EPIC: LAB6282, SOFT: XIFAM
Test Codes
ARUP #51081, EPIC: LAB6282, SOFT: XIFAM
Instructions
Acute and convalescent samples must be labeled as such; parallel testing is preferred and convalescent samples must be received within 30 days from receipt of the acute samples. Please mark sample plainly as "acute" or "convalescent".
Specimen Collection Criteria
Collect (preferred specimen): One Gold-top SST tube.
Also acceptable: One plain Red-top tube.
Physician Office/Draw Specimen Preparation
Let specimen clot 30-60 minutes then centrifuge to separate serum from cells within two hours of collection. Transfer serum to a plastic transport tube and refrigerate (2-8°C or 36-46°F).
Preparation for Courier Transport
Transport: 1.0 mL serum, refrigerated (2-8°C or 36-46°F). (Minimum: 0.05 mL)
Rejection Criteria
- Hemolyzed specimens.
- Icteric specimens.
- Lipemic specimens.
- Turbid specimens.
- Specimens not collected and processed as indicated.
In-Lab Processing
Let specimen clot 30-60 minutes then centrifuge to separate serum from cells within two hours of collection. Transfer serum to a plastic transport tube and refrigerate (2-8°C or 36-46°F).
Transport: 1.0 mL serum, refrigerated (2-8°C or 36-46°F). (Minimum: 0.05 mL)
Storage
Specimen Stability for Testing:
Room Temperature (20-26°C or 68-78.8°F): 48 hours
Refrigerated (2-8°C or 36-46°F): 14 days
Frozen (-20°C/-4°F or below): 1 year
Specimen Storage in Department Prior to Disposal:
Specimen retention time is determined by the policy of the reference laboratory. Contact the Sendout Laboratory with any questions.
Laboratory
Sent to ARUP Laboratories, Salt Lake City, UT.
Performed
Monday, Wednesday, Friday.
Results available in 2-7 days.
Reference Range
Negative: 0.89 IV or Less - No significant level of influenza A virus IgM antibody detected.
Equivocal: 0.90-1.10 IV - Questionable presence of influenza A virus IgM antibody detected. Repeat testing in 10-14 days may be helpful.
Positive: 1.11 IV or Greater - IgM antibodies to influenza A virus detected, which may suggest current or recent infection.
Test Methodology
Semi-Quantitative Enzyme-Linked Immunosorbent Assay.
Clinical Utility
The presence of Influenza A IgM antibody indicates recent infection.
CPT Codes
86710
Contacts
Send Out Laboratory – RO
248-551-9045
Name: Send Out Laboratory – RO
Location:
Phone: 248-551-9045
Last Updated
10/23/2019
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This directory currently reflects information only for specimens collected and/or processed at the
Farmington Hills, Grosse Pointe, Royal Oak, and Troy campuses.