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Spirochete Smear
Treponema pallidum Darkfield
Darkfield, Treponema pallidum
Fluorescent Antibody Darkfield Test
Treponema pallidum Darkfield Exam
Syphilis Darkfield
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Test Overview
Direct Immunofluorescence
To determine the presence of Treponema pallidum in a syphilitic chancre.
Treponema pallidum not found.
* Reference ranges may change over time. Please refer to the original patient report when evaluating results.
Specimen Requirements
Call the Michigan Department of Health & Human Services at 517-335-8080 and request kit: Fluorescent Darkfield for Treponema pallidum, Unit number 10, with Blanks FB10 and FB8. Air dry the slides for 20 minutes to inactivate the treponemes and render them non-infectious before transporting. Place slides in the cardboard book-type mailer; store at room temperature. Fill in the information requested on the form labeled "Examination for Treponema pallidum", using a pen with black ink or typewriter with black ribbon.