The Immunoglobulin M, Quantitative, Blood (Serum) test is used to identify and monitor certain infections in fetuses or newborn infants. This test is also commonly known as the Antibody M test. Immunoglobulins are proteins produced by immune cells as a response to bacteria, viruses or other foreign organisms. Immunoglobulin M (IgM) is typically the first immune response to a new infection and the first type of imunoglobulin to be produced by a fetus or newborn. The presence and measurement of IgM antibodies will determine if an infection is present and whether the infection is acute or chronic. IgM antibodies cannot be transferred from a mother to her infant through the placenta. Elevated IgM levels in a newborn are typically indicative of an acute infection which began during pregnancy.
This test is typically done on a newborn to determine if an infection is present and whether the infection is acute or chronic.
Turnaround time for this test is typically 1-2 business days.
Note: Result turn around times are an estimate and are not guaranteed. Our reference lab may need additional time due to weather, holidays, confirmation/repeat testing, or equipment maintenance.
The Immunoglobulin M, Quantitative, Blood (Serum) test has no special requirements.
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