ARUP's Laboratory Test Directory

Rubella Antibodies, IgG & IgM : 0050552

Mnemonic: RUBE G/M

Methodology: Chemiluminescent Immunoassay
Performed: Sun-Sat
Reported: Within 24 hours
Specimen Required: Collect:  One 4 mL serum separator tube.

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