Rubella Antibody, IgM
Semi-Quantitative Chemiluminescent Immunoassay
Within 24 hours
New York DOH Approval Status
This test is New York DOH approved.
- Patient Preparation
- Serum separator tube.
- Specimen Preparation
- Allow specimen to clot completely at room temperature. Separate serum from cells ASAP or within 2 hours of collection. Transfer 1 mL serum to an ARUP Standard Transport Tube. (Min: 0.5 mL) Parallel testing is preferred and convalescent specimens must be received within 30 days from receipt of acute specimens. Mark specimens plainly as "acute" or "convalescent."
- Storage/Transport Temperature
- Unacceptable Conditions
- Urine. Contaminated, heat-inactivated, or hemolyzed specimens.
- After separation from cells: Ambient: 48 hours; Refrigerated: 2 weeks; Frozen: 1 year (avoid repeated freeze/thaw cycles)
|19.9 AU/mL or less:||Not Detected.|
|20.0-24.9 AU/mL:||Indeterminate-Repeat testing in 10-14 days may be helpful.|
|25.0 AU/mL or greater:||Detected-IgM antibody to rubella detected, which may indicate a current or recent infection or immunization.|
Testing immediately post-exposure is of no value without a later convalescent specimen. While the presence of IgM antibodies suggests current or recent infection, low levels of IgM antibodies may occasionally persist for more than 12 months post-infection or immunization.
|Component Test Code*||Component Chart Name|
|0050551||Rubella Antibody IgM|