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Test Code MRIGM Measles (Rubeola) Antibodies, IgM

Performing Laboratory

LabCorp, Burlington, NC


Enzyme immunoassay (EIA)


TAT  2-6 Days

Reference Values

 Negative: <0.91 ISR

 Equivocal: 0.91-1.09 ISR

  Positive: >1.09 ISR

Test Classification and CPT Coding



Loinc Code 25421-9

Specimen Requirements

Container/Tube: Gold top tube

Specimen: 1 mL serum (0.5 mL min)

Transport Temperature: Room Temperature

Stability: 14 Days  Room Temperature, Refrigerated or Frozen

Rejected:  Hemolysis; lipemia; gross bacterial contamination

Computer Interface Code

PDM #  5904350

Useful For

Demonstrate acute infection with measles virus; differential diagnosis of a pregnant female exposed to or presenting with a rash