Specimen:

Serum

Collection Medium:

Minimum:

Adult Preferred Minimum:  1 mL serum
Adult Absolute and Pediatric Minimum: 0.5 mL serum

Rejection Criteria:

Heat-inactivated, hemolyzed, or contaminated specimens.

Analytic Time:

2 days

Reference Range:

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.

Interpretive Data:

The best evidence for current infection is a significant change on two 
appropriately timed specimens, where both tests are done in the same 
laboratory at the same time.

Methodology:

Chemiluminescent Immunoassay

Instructions:

Contact University of Iowa Diagnostic Laboratories 
1-866-844-2522 (toll free) 
319-384-7213 (Fax)

CPT Code:

86317