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Test Catalogue

​Rubella IgG Antibody

Blood

Clinical Microbiology

​Ordering Recommendations​

  • ​To aid in determination of immune status to Rubella virus
  • List relevant clinical symptoms and/or immunizations

​​Specimen Requirements​

Type​
  • ​Serum
​Container
  • ​Preferred Collection Container: Tiger (gel)
  • Alternative Collection Container: Red
​Required Volume

​Whole Blood

  • Optimal Volume: 8.0 mL
  • Minimum Volume: 3.0 mL
    (Submitting the minimum volume makes it impossible to repeat the test or perform confirmatory/reflex testing. In some situations, a minimum volume may require a second collection)

Serum (For Laboratory Use Only)

  • Minimum Volume: 1.0 mL

​Stability/Storage
  • ​Stable at room temperature for 24 hours
  • Greater than 24 hours, refrigerate at 2 to 8°C
  • Greater than 72 hours, spin, remove serum and freeze (-10°C or colder)
Grounds for Rejection​

Testing Information​ ​

Availability​
Testing Site​
  • Virology Laboratory, RUH
Results Reporting​
  • 1 to 7 days
​Methodology
  • ​Indirect Chemiluminescence Immunoassay (CLIA)
​Clinical Interpretation
  • ​Positive result indicates immunization or past exposure to Rubella virus
  • Antibody levels in the equivocal range may be insufficient to protect against illness
  • Equivocal results – a new sample should be submitted
  • Negative results do not preclude recent primary rubella infection
    Rubella IgM testing should be done to diagnose recent primary infection 
​Specimen Retention
  • 3 months
​Alternate Test Names
  • ​German Measles
  • MMR (Measles Mumps Rubella)
  • TORCH (Toxoplasma gondii Rubella virus Cytomegalovirus Herpes simplex virus)
  • Rubella serology
  • Rubella IgG Ab (Rubella Immunoglobulin G Antibody)
  • Three-Day Measles
  • RBG (Rubella IgG)

Test Ordering Requirements​ ​

​Forms Required

 

​If you choose to print this information it is valid only on date of print.

Laboratory Controlled Document LSM-448 v2
Last Modified: Tuesday, March 28, 2017 |
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