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Test ID: Rubella IgG Avidity
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Rubella IgG Avidity Antibody
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The test is lab order only
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Useful For
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Avidity determination of IgG class antibodies against Rubella virus in human serum or plasma of pregnant women.
(For HMC users only: This test cannot be ordered directly, it will be added by lab if Rubella Antibody IgM found positive)
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Method name and description
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Enzyme-linked Immunosorbent Assay (ELISA)
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Aliases
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Antibody avidity - Rubella
IgG avidity index - Rubella
Rubella virus - antibody avidity
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Specimen type / Specimen volume / Specimen container
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Specimen type: Serum or plasma
Specimen volume: 3-5 mL
Specimen container: Plasma collected in sodium heparin, Serum gel collected in Yellow top tubes
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Collection instructions / Special Precautions / Timing of collection
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Collection by venipuncture as per organization guidelines
No special precautions / no timing of collection
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Storage and transport instructions
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Maintain specimen at 2-8°C
The specimens should be transported to Virology Section in cold box immediately
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Specimen Rejection Criteria
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Quantity of blood not sufficient
Wrong blood container
Container breakage / sample leaking
Lipemic sample
Grossly hemolyzed serum
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Biological reference intervals and clinical decision values
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No reference
Low avidity / High avidity / Equivocal
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Factors affecting test performance and result interpretation
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Turnaround time / Days and times test performed / Specimen retention time
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Turnaround time: Within 7 days
Days and times test performed: Twice a week.
Specimen retention time: 2 weeks
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