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Division of Consolidated Laboratory Services


Laboratory: Immunology/Virology

Test Description: The Rubajet test is a rapid latex agglutination test in which latex particles are coated with rubella virus antigens. When the latex reagent is mixed with a specimen containing rubella specific antibody at a concentration of approximately 10 IU/ml or greater, agglutination of latex particles will be observed.

Order Approval Required? No

Specimen Type: Serum

Collection Container: Red Top or serum separator tube

Optimal Volume: 0.5 ml serum or 1 ml serum and cells

Collection Guidelines: A venous blood specimen should be collected in a tube with no additives.

Storage Container: Samples should be stored in original tubes for 7 days in a 2-8 °C refrigerator.

Storage Instructions: Samples should be stored at 2-8 °C for 2 days after collection. Serum may be aliquotted and stored at 2-8 °C for shipping or frozen at -20°C or colder.

Transportation Instructions: Ship on cold packs

Test Methodology: Agglutination

Additional Information:

Causes For Rejection:

  • Hemolyzed specimens
  • Improperly labeled
  • Sample out of holding time(greater than 2 days from collection)

Possible Results: Immune, Non-Immune