Fluorescent Treponemal Antigen, Syphilis (FTA-ABS)
Fasting Required: No

Specimen: Blood

Results: 3 – 5 Business days

Methodology: Immunofluorescent Assay (IFA)

Alternate Names: Treponemal pallidum, Fluorescent Treponemal Antigen, Syphilis

Description: This test is done routinely to confirm whether a positive screening test for syphilis (either VDRL or RPR) means you have a current syphilis infection. It may also be done when other syphilis tests are negative, to rule out a possible false-negative result.

Note: Result turn around times are an estimate and are not guaranteed. Our reference lab may need additional time due to weather, holidays, confirmation/repeat testing, or equipment maintenance.

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