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Establish evidence of early/acute infection with Bordetella pertussis, the causative agent of whooping cough. The presence of specific IgA in a single sample may indicate an acute infection and is considered suggestive of recent infection or a presumptive diagnosis of a supporting clinical presentation. Initially, in infants with pertussis, IgA antibody may not be detected; however, IgA reaches detectable levels six to seven weeks after infection.
Enzyme-linked immunosorbent assay (ELISA)
Negative: <1.0 index
Red-top tube or gel-barrier tube
Refrigerate. Serum samples can be stored at 2°C to 8°C for up to seven days.
Causes for Rejection
Hemolysis; lipemia; gross bacterial contamination
|Order Code||Order Code Name||Order Loinc||Result Code||Result Code Name||UofM||Result LOINC|
|164384||B pertussis IgA Ab||29657-4||164387||B pertussis IgA Ab||index||29657-4|