Ordering Recommendation

Determine seroreactivity of women of childbearing age or provide evidence of vaccination/past infection.

New York DOH Approval Status

This test is New York state approved.

Specimen Required

Patient Preparation
Collect

Serum Separator Tube (SST).

Specimen Preparation

Allow specimen to clot completely at room temperature. Separate from cells ASAP or within 2 hours of collection. Transfer 1 mL serum to an ARUP Standard Transport Tube. (Min: 0.5 mL) Parallel testing is preferred and convalescent specimens must be received within 30 days from receipt of the acute specimens.

Storage/Transport Temperature

Refrigerated.

Unacceptable Conditions

Contaminated, heat-inactivated, or grossly hemolyzed specimens.

Remarks

Label specimens plainly as "acute" or "convalescent."

Stability

After separation from cells: Ambient: 48 hours; Refrigerated: 2 weeks; Frozen: 1 year (Avoid repeated freeze/thaw cycles)

Methodology

Semi-quantitative Chemiluminescent Immunoassay

Performed

Sun-Sat

Reported

Within 24 hours

Reference Interval

Less than 9 IU/mL: Not Detected.
9-9.9 IU/mL: Indeterminate - Repeat testing in 10-14 days may be helpful.
10 IU/mL or greater: Detected.

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.

The magnitude of the measured result is not indicative of the amount of antibody present.

Compliance Category

FDA

Note

Hotline History

N/A

CPT Codes

86762

Components

Component Test Code* Component Chart Name LOINC
0050771 Rubella Antibody IgG 8014-3
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.

Aliases

  • Rubella Ab, IgG
  • Rubella Antibody IgG
  • rubella screen
  • Rubella serology
Rubella Antibody, IgG