ARUP's Laboratory Test Directory

Bordetella pertussis Toxin Antibody, IgA : 0051360

Mnemonic: A BORDTOX

Methodology: Enzyme-Linked Immunosorbent Assay
Performed: Tue
Reported: 1-8 days
Specimen Required: Collect:  One 4 mL serum separator tube.

Transport:  0.5 mL serum at 2-8°C. (Min: 0.3 mL)

Pediatric Collection/Transport:  0.1 mL serum at 2-8°C.

Remarks:  Separate serum from cells ASAP.  Please mark specimen plainly as "ACUTE" or "CONVALESCENT."

Unacceptable Conditions:  Heat inactivated, lipemic, contaminated, hemolytic, or icteric specimens.

Stability:  After separation from cells:  Ambient: 48 hours; Refrigerated: 2 weeks; Frozen: 1 year
Reference Interval:
Negative: Less than 0.9 IV
Equivocal: 0.9-1.1 IV
Positive: Greater than 1.1 IV
Interpretive Data: A positive result, with consistent clinical symptoms and history, suggests an acute or recent B. pertussis infection.  IgA antibodies occur only as a result of natural infection with B. pertussis.  IgA antibodies do not occur as a result of vaccination with the current pertussis toxin vaccine.

Please refer to Statement A in the Compliance Statements section in the front of the Laboratory Test Directory.
CPT Code(s): 86615
 
 

 

 

 
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