2340      Rubella
Specimen:
  Collect: One 7.5 mL SST  
  Submit: 1 mL (Min:0.5 mL) Serum. Submit Refrigerated. Submit in a Standard Transport Tube.  
  Special Handling: Allow specimen to clot completely at room temperature
Avoid Repeated Freeze/Thaw Cycles
Separate from cells ASAP 
  Rejection Criteria: Grossly Hemolyzed Samples
Icteric specimen 
  Stability: Ambient: 8 Hour(s); Refrigerated: 2 Day(s); Frozen: 1 Month(s); Incubated: Unacceptable 
Methodology: Agglutination; Precipitation 
Performed: Mon-Fri 
Reported: 1-3 Day(s) 
CPT Codes:
86762 - Rubella Antibody
Interpretive Data:

Rubella Antibody Interpretation

<9: Negative for rubella IgG, presumed non-immune to rubella infection.
9 to <10: Equivocal.
10 or greater: Positive for rubella IgG, presumed immune to rubella infection.

The Rubella IgG cut-off value has been set at 10 IU/mL based on the WHO International Reference Preparation of Anti-Rubella Serum, 1970.