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Test Code RUBIG Rubeola Antibody IgG Immune Status, LAB2703


Indirect chemiluminescence immunoassay (CLIA).

Performing Laboratory

St. Luke's Hospital Cedar Rapids

Specimen Requirements


Preferred: Gold-top serum gel tube

Acceptable:  Plain, red-top tube

Specimen Volume: 160 uL of serum

Stability:  If the assay is performed within nine days of sample collection, the samples may be kept at 2-8°C; otherwise they should be dispensed in aliquots and stored deep-frozen (–20°C or below).

If samples are stored frozen, mix thawed samples well before testing.  Samples have shown stability up to six freeze-thaw cycles.

Collection Instructions:Serum should be separated from the clot as soon as possible.

Reference Values

Value                        Result          Status

<25.0 AU/mL            Negative      NonImmune

25.0-30.0 AU/mL      Equivocal     Equivocal

>30.0 AU/mL            Positive        Immune


Day(s) Test Set Up

Monday through Friday

Test Classification and CPT Coding


Useful For

Measures the level of IGG antibodies in the blood to determine a person's immune status against measles.

Analytic Time

1-2 days upon receipt