Fluorescent Treponemal Antibody (FTA Antibodies)
FTA-ABS is a highly specific confirmatory blood test for syphilis, detecting antibodies against the bacterium that causes the infection. It's often used to confirm a positive screening test, especially in early or late-stage syphilis when other tests may be less
Treponema Pallidum Haemagglutination Assay (TPHA)
TPHA is a confirmatory blood test that specifically detects antibodies against the bacterium that causes syphilis. It's typically used to confirm a positive RPR or VDRL screening result.