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Our Syphilis Testing Options

  • Syphilis Test

    Our Syphilis RPR test is accurate after 72 hours from the encounter

    This test is performed with a blood specimen. The Rapid Plasma Reagin (RPR) is used to test for syphilis. This blood test looks for antibodies to the syphilis virus. If the RPR is positive, another test, called a treponemal pallidum test, will be automatically run to confirm the result. Syphilis testing is essential because an individual can have a syphilis infection without knowing it and can pass it along to a partner easily.

    Results times: 24-48 hours from collection

    Here is the Technical Aspects of the Syphilis Test:

    Test Includes:

    RPR, qualitative; RPR titer; and Treponema pallidum-specific test on reactives. An additional fee is charged when a confirmatory Treponema pallidum test is performed.


    Serum or plasma


    2 mL

    Minimum Volume:

    1 mL


    Red-top tube, gel-barrier tube, lavender-top (EDTA) tube, green-top (heparin) tube, or gray-top (sodium fluoride) tube. Plasma specimens may not be less than one-half full as excess anticoagulant may cause improper results.

    Storage Instructions:

    Maintain specimen at room temperature.

    Causes for Rejection:

    Hemolysis; lipemia; gross bacterial contamination

    Reference Interval:



    Test for and confirm syphilis infection


    Charcoal flocculation and agglutination

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