ARUP's Laboratory Test Directory
| 0051360: Bordetella pertussis Toxin Antibody, IgA |
| Test Mnemonic: A BORDTOX | |
|
Methodology: Enzyme-Linked Immunosorbent Assay
Performed: Tue Reported: 1-8 days |
| Specimen Required: | |
|
Collect: One 4 mL SST.
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 |