Bordetella pertussis Antibodies, IgM

CPT: 86615
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Expected Turnaround Time

1 - 5 days


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Specimen Requirements


Specimen

Serum


Volume

0.4 mL


Minimum Volume

0.2 mL (Note: This volume does not allow for repeat testing.)


Container

Red-top tube or gel-barrier tube


Storage Instructions

Room temperature


Stability Requirements

Temperature

Period

Room temperature

14 days

Refrigerated

14 days

Frozen

14 days

Freeze/thaw cycles

Stable x4


Causes for Rejection

Hemolysis; lipemia; gross bacterial contamination


Test Details


Use

Establish evidence of early/acute infection with Bordetella pertussis, the causative agent of whooping cough


Methodology

Enzyme-linked immunosorbent assay (ELISA)


Reference Interval

Negative: <1.0 index


Additional Information

Patients with acute infection develop IgG, IgM, and IgA antibodies to fimbrial agglutinogens, and IgM and IgA antibodies are probably diagnostic. Following vaccination, IgG and IgM antibodies can be demonstrated. The presence of specific IgM in a single sample may indicate an acute infection and should be considered suggestive of recent infection or a presumptive diagnosis of a supporting clinical presentation.


LOINC® Map

Order Code Order Code Name Order Loinc Result Code Result Code Name UofM Result LOINC
161752 B pertussis IgM Ab 42329-3 161755 B pertussis IgM Ab index 42329-3

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