Bordetella pertussis Toxin (PT) Antibodies, IgG and IgA Test
This test measures IgG and IgA antibodies to Bordetella pertussis toxin (PT) in a blood serum sample. Quest describes elevated antibody levels as associated with recent infection or vaccination.
About this test
Bordetella pertussis is the bacterium that causes whooping cough, and the test is listed under that alias as well as its formal name. Quest describes this test as measuring the amount of PT-specific IgG and IgA antibodies present in a 0.
Elevated antibody levels are associated with recent infection or vaccination, which is why Quest describes this measurement as used in evaluating such exposure. Because both infection and vaccination can raise these antibody levels, a clinician reads the result together with a person's vaccination history and symptoms, rather than reading a single value on its own.
Test details
| Collection | Quest patient service center |
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Quest resources
Additional details
What this test looks at
The test reports two separate antibody values from the same sample: IgG and IgA antibodies to Bordetella pertussis toxin. Reporting both antibody classes together is what the MAID method is designed to do, rather than testing for each antibody separately.
This test isn't part of the Celio Health store at the moment, so it can't be ordered or requested here. The test menu lists everything that can.
Laboratory results should always be interpreted by a licensed clinician who knows your health history. This page is information about a test, not medical advice.
Frequently asked questions
What does this test measure?
It measures IgG and IgA antibodies against Bordetella pertussis toxin in a blood serum sample, using multi-analyte immunodetection.
How is the sample collected?
The test uses a 0.5 mL serum sample from a routine blood draw.
Do I need to prepare for this test?
No preparation instructions are listed for this test, though people follow any instructions their ordering clinician provides.
What does an elevated antibody level mean?
Quest describes elevated antibody levels as associated with recent infection or vaccination. A single result does not distinguish between the two on its own; a clinician reads it together with history and symptoms.