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Test Code Lab496 Rubella IgG Antibody, Serum

Infectious

Methodology

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. 12/2024

Performing Laboratory

Barnes-Jewish Hospital Laboratory

Specimen Requirements

Specimen Type: Serum
Container/Tube:  Red top, Red/grey SST or Gold SST
Specimen Volume: Full tube, minimum 1mL of serum

Specimen Transport Temperature

Ambient

Interpretive Data

Rubella IgG

Negative:  Results suggest individual is non immune and susceptible to the virus. 

Equivocal: Presence of antibodies cannot be determined. Recommend follow up testing in 10-14 days if clinically indicated.  

Positive: Results suggest response to immunization or prior exposure to the virus. 

Day(s) Test Set Up

Monday-Sunday 0700 - 1300

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

Test Classification and CPT Coding

86762

Additional Information

For BJH Laboratory Use Only

Alternative Specimen Type: Plasma, Mint green (Heparin)

Analyte Stability:  Avoid hemolysis.  Refer to analyte stability chart.

Laboratory Processing Instructions: Test performed in the Core Lab.  Processed by automated line for delivery to OBS3 with a minimum of 1mL of plasma/serum.  Completed specimens are stored refrigerated for 7 days.

LOINC Code Information

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

 

Reference Values

Rubella - Positive