Lab test
Treponemal Syphilis Test
This page explains the treponemal syphilis test, what it measures, and how to order it. The Treponemal Syphilis Test checks for syphilis, a sexually transmitted infection, through a blood sample.
What this test is
This test detects the presence of antibodies specific to the Treponema pallidum bacterium, which causes syphilis. It helps identify if a person has been infected with this bacterium. The test is specific to treponemal antibodies, which remain in the body even after treatment.
What it measures
- Treponemal antibodies — reflects exposure to Treponema pallidum
What the test involves
The test involves a standard blood draw, where a healthcare professional collects a blood sample from a vein in your arm. The sample is then analyzed for treponemal antibodies.
Why it is often ordered
Clinicians typically order this test if there is a suspicion of syphilis based on symptoms or potential exposure. It may also be part of routine screening during pregnancy or other health assessments.
Preparation
Preparation instructions should be followed as provided by the collection lab. Always check with the lab for specific guidelines before the test.
How results are reported
Results indicate the presence or absence of treponemal antibodies, suggesting past or present infection. Reference ranges and interpretation can vary between laboratories.
Before you go
- Sample collection requirements
- Turnaround time for results
- Specific preparation instructions
FAQ
Frequently asked questions
What does a positive result mean?
A positive result suggests that treponemal antibodies are present, indicating a current or past infection with syphilis. Further testing may be needed to determine the stage of infection.
Can syphilis be detected if I have no symptoms?
Yes, syphilis can be present without symptoms. This test can detect antibodies even if the infection is asymptomatic.
Is this test part of routine STD screening?
The Treponemal Syphilis Test may be included in routine STD screenings, especially in high-risk populations or during pregnancy.
How soon can I expect results?
Results are typically available within 1-3 business days, but this can vary depending on the laboratory.
Related
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Locations
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