ARUP's Laboratory Test Directory

0050552: Rubella Antibodies, IgG & IgM

Test Mnemonic: RUBE G/M
Methodology: Chemiluminescent Immunoassay

Performed: Sun-Sat

Reported: Within 24 hours

Specimen Required:  
Collect: One 4 mL SST.

Transport: 2 mL serum at 2-8°C. (Min: 0.5 mL)  Submit specimen in an ARUP Standard Transport Tube.

Pediatric Collection/Transport: 0.5 mL serum at 2-8°C.

Remarks: Allow serum to clot completely at room temperature.  Separate serum from cells ASAP. Acute and convalescent specimens must be labeled as such; parallel testing is preferred and convalescent specimens must be received within 30 days from receipt of the acute specimens. Please mark specimen plainly as "acute" or "convalescent."

Unacceptable Conditions: Refer to individual components.

Stability: After separation from cells: Ambient: 2 days; Refrigerated: 2 weeks; Frozen: 1 year (avoid repeat freeze/thaw cycles)

Reference Interval:
 
Test Number Components Reference Interval
0050771Rubella Antibody, IgG Less than 5 IU/mL: Negative - No significant level of detectable rubella IgG antibody.
5-9 IU/mL: Equivocal - Repeat testing in 10-14 days may be helpful.
10 IU/mL or greater: Positive - IgG antibody to rubella detected, which may indicate a current or previous exposure/immunization to rubella.
0050551Rubella Antibody, IgM 0.89 IV or less: Negative - No significant level of detectable rubella IgM antibody.
0.90-1.09 IV: Equivocal - Repeat testing in 10-14 days may be helpful.
1.10 IV or greater: Positive - IgM antibody to rubella detected, which may indicate a current or recent infection or immunization.

CPT Code(s):
86317 Rubella, IgG; 86762 Rubella, IgM

 

 

 
All ARUP Sites:        www.aruplab.com     ·     www.arupconsult.com     ·     www.arup.utah.edu     ·     www.childx.org     ·     www.utahblood.org