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Labcorp Oklahoma, Inc.
Test Directory


Index:

Mumps AB, IGM

Order Name MUMPSIGM
Revision Date 11/11/2019
Test Name Methodology LOINC Code
Mumps AB, IGM
 
SPECIMEN REQUIREMENTS
Specimen Specimen Volume (min) Specimen Type Specimen Container Transport Environment
Preferred 1.0 mL ( 0.5 mL) Serum Serum Gel Tube Refrigerated
Alternate 1 0.5 mL ( 0.4 mL) Serum Red Top Refrigerated
Instructions Collect blood and allow to clot for 30 minutes.
Label specimen with Mobilab label or with patient name (first and last), date of birth, date and time of collection, collector initials, and test(s) being ordered.
Centrifuge, aliqout serum, and store refrigerated.




 
Reference Range


Vaccinated: Positive (> or =1.1 AI)
Unvaccinated: Negative (< or =0.8 AI)
Reference values apply to all ages.

Interpretation
Positive:

The presence of detectable IgG-class antibodies indicates prior exposure to the mumps virus through infection or immunization. Individuals testing positive are considered immune to mumps virus.          

Equivocal:

Submit an additional specimen for testing in 10 to 14 days to demonstrate IgG seroconversion if recently vaccinated or if otherwise clinically indicated.

Negative:

The absence of detectable IgG-class antibodies suggests no prior exposure to the mumps virus or the lack of a specific immune response to immunization.

Methodology Enzyme Immunoassay (EIA)
GENERAL INFORMATION
Testing Schedule Performed Monday through Friday 
Expected TAT 1 - 4 days  
Notes Specimen Stability:
Refrigerated - 14 Days
Frozen - 14 Days
CPT Code(s) 86735
Lab Section NRLS-Mayo Medical Laboratories