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UW Health SMPH
American Family Children's Hospital

UW Hospital and Clinics Lab Test Directory

Test Name: Rubeola Ab, IgG (Measles)

Test Code(s): MEAIGG / RUBO

CPT Code(s): 86765

Methodology: ELISA

Clinical Significance: The intent of the test system together with other clinical information is to aid in the determination of immune status, and/or aid in the diagnosis of Rubeola (Measles)virus.

Days Performed: Three times per week.

Turnaround Time: Routine: 4 days.

Specimen Requirements

Specimen: Blood

Collection Container: Preferred: Red cap with yellow ring (SST)
Also Acceptable: Red top

Collection Volume: Preferred: 1 mL
Pediatrics: 1 mL

Sample Analyzed: Serum

Volume Required: Preferred: 0.5 mL
Pediatrics: 0.3 mL

Specimen Processing: Centrifuge and transfer cell free serum to plastic vial.  Refrigerate.

Specimen Transport: Transport specimen to the laboratory. Transport with coolant pack if coming from a satellite or outreach location.  

Unacceptable Criteria: Grossly hemolyzed/lipemic, heat-treated serum, microbially contaminated and serum contatining heavy-visible particulate.

Stability: Ambient: 8 hours
Refrigerated: 14 days
Frozen: 3 months at -20 C or lower


Negative: No detectable IgG antibodies to Measles (Rubeola) virus. Patient is presumed to be non-immune and is susceptible to a primary infection.


Equivocal: Immune status cannot be determined. If clinically warranted, a second sample should be taken at least fourteen days after the first.


Positive: Reactive for IgG antibodies to Measles (Rubeola) virus, indicating a current or past Measles(Rubeola) infection or prior vaccination against Measles(Rubeola) virus.


All equivocal test results will be repeated within two working days.

Encephalomyelitis(Measles(Rubeola)Antibody,IgG),English Measles(Measles(Rubeola)Antibody,IgG),Rubeola(Measles(Rubeola)Antibody,IgG),Rubeola(Measles)Antibody,IgG(Measles(Rubeola)Antibody,IgG)

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