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Methodology: Chemiluminescent Immunoassay (CLIA)
Edit Date: 6/6/2007
Performed: Daily
Released: 24-48 hours after setup at PeaceHealth Laboratories’ reference lab.
CPT Code: 86762-90
Specimen Collection Details
Collection: One 7.5 mL serum separator tube (SST).
Handling: Allow to clot, centrifuge and immediately separate serum from cells. Refrigerate.
Stability: 48 hours ambient, 14 days refrigerated, or 1 year frozen.
Standard Volume: 1 mL serum.
Minimum Volume: 0.5 mL serum.
Transport: Refrigerated.
Rejection Criteria: Contaminated, heat-inactivated, or hemolyzed specimen.

Reference Interval;

IV = Index Value

<0.90 IV 0.90-1.09 IV >= 1.10 IV
Negative: No significant level of detectable Rubella IgM antibody. Equivocal: Repeat testing in 10-14 days may be helpful. Positive: 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 suggest current or recent infection, low levels of IgM antibodies may occasionally persist for more than 12 months post-infection or immunization.

PeaceHealth Laboratories