{"id":"treponema-pallidum-antibody","name":"Syphilis Antibody, Treponemal","shortName":"Syphilis antibody","aliases":["Syphilis IgG/IgM","Treponema pallidum Antibody","T. pallidum Antibodies","Treponema pallidum Ab, EIA/CIA","TP-PA","T. pallidum Particle Agglutination","Treponema pallidum PA","Treponema pallidum antibodies","TPHA","T. pallidum Haemagglutination (TPHA)","FTA-ABS","Treponema pallidum Hemagglutination","Fluorescent Treponemal Antibody Absorption","TPPA","Treponema pallidum Antibody, Immunoassay","Treponema pallidum Antibody, Particle Agglutination","Treponema pallidum Ab by TP-PA","Treponema pallidum Antibody, IgG by ELISA","Treponema pallidum Ab, IgG by ELISA","T.Pallidum Ab, IgG (FTA-ABS)","Syphilis IgG EIA","Syphilis IgG Enzyme Immunoassay","Syphilis Total Antibody","Syphilis Treponemal Antibody","Treponemal Antibody","Treponema pallidum Total Antibody"],"abbreviations":["TP-PA","TPPA","TPHA","FTA-ABS","TP-Ab"],"loinc":[{"code":"22587-0","primary":true},{"code":"24110-9","primary":false},{"code":"47238-1","primary":false},{"code":"51838-1","primary":false},{"code":"24312-1","primary":false},{"code":"17726-1","primary":false},{"code":"22590-4","primary":false}],"specimen":"serum","units":[],"referenceRanges":[],"review":{"status":"ai-verified","label":"AI-verified against cited sources. Awaiting expert review","lastReviewed":"2026-10-03"},"summary":"Looks for antibodies to the bacterium that causes syphilis. It usually stays positive for life after an infection, even a treated one.","url":"https://bloodtesttracker.com/markers/treponema-pallidum-antibody","notice":"Information, not medical advice. Ranges differ between labs, so the range on your own report is the one your result is judged against."}