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Rubella Antibody, IgG
Test Code3070
Preferred Specimen
One 4 mL serum separator tube.
Minimum Volume
1 mL serum at 2-8°C. (Min: 0.5 mL) Submit specimen in an ARUP Standard Transport Tube.
Transport Temperature
1 mL serum at 2-8°C. (Min: 0.5 mL) Submit specimen in an ARUP Standard Transport Tube.
Specimen Stability
After separation from cells: Ambient: 2 days; Refrigerated: 2 weeks; Frozen: 1 year (avoid repeated freeze/thaw cycles)
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Heat-inactivated, hemolyzed, or contaminated specimens.
Methodology
Chemiluminescent Immunoassay
Setup Schedule
Sun-Sat
Report Available
Within 24 hours
Limitations
Allow serum to clot completely at room temperature. Separate serum from cells ASAP. Acute and convalescent specimens must be labeled as such; parallel testing is preferred and convalescent specimens must be received within 30 days from receipt of the acute specimens. Please mark specimen plainly as "acute" or "convalescent." Serum from umbilical cord blood is an acceptable specimen type.
Clinical Significance
The best evidence for current infection is a significant change on two appropriately timed specimens, where both tests are done in the same laboratory at the same time.
