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Test Code 5224 Rubella Antibodies, IgG, Serum

Performing Laboratory

Barnes-Jewish Hospital Laboratory


Multiplex Flourescent Immunoassay

Note: The use of this test to diagnose recent infection by testing acute and convalescent specimens is not recommended. The reported IgG level cannot be correlated to an endpoint titer.

Literature References:

Package Insert: MMRV IgG package insert, Bio-Rad Laboratories, Inc. 03/2012

Specimen Requirements

Specimen Type: Serum
Container/Tube:  Red top, red/grey seum separator tube
Specimen Volume: Full tube, minimum 1mL of serum


Day(s) Test Set Up



Turnaround Time:
STAT: not available
Routine: results available the same day of collection before 1300.

Reference Values

Negative:  No detectable antibody to rubella. Such individuals are presumed to be uninfected with rubella and to be                     susceptible to primary infection.

Equivocal: Presence or absence of detectable antibody to rubella cannot be determined and test should be                                   repeated.   

Positive:     Indicates the presence of detectable antibody to rubella.  Indicative of current or past infection.


Test Classification and CPT Coding


Additional Information

For BJH Laboratory Use Only

Alternate Tube:

Green top

Analyte Stability:

Specimen may be stored at 2° C to 8° C for 7 days with no more than 3 freeze/thaw cycles.

Specimen may be frozen at -20° C for 1 year.

Laboratory Processing Instructions:

Test performed in BJH Core Lab.  Processed by automated line for delivery AOB with a minimum of 1 mL of plasma/serum. Completed specimens are stored refrigerated for 7 days.

Specimen Transport Temperature


LOINC Code Information

Name LOINC Code
Rubella Antibodies, IgG, Serum 22496-6