
Syphilis: Screening and diagnostic testing - UpToDate
Aug 21, 2024 · Treponemal tests — Treponemal tests have historically been more complex and expensive to perform than nontreponemal tests. Thus, they have traditionally been used as …
Syphilis - STI Treatment Guidelines
Jan 16, 2024 · Persons with a positive treponemal screening test should have a standard quantitative nontreponemal test with titer performed reflexively by the laboratory to guide …
Syphilis: Treponemal Antibodies With Reflex to RPR and RPR ... - Labcorp
Treponemal antibody by chemiluminescent immunoassay with reflex of positive specimens to RPR. If RPR is positive, RPR titer will be performed. If RPR is negative, a second treponemal …
Treponema pallidum - Syphilis | Choose the Right Test
Two categories of serologic tests are used to diagnose syphilis: treponemal and nontreponemal tests. It's recommended that one of two testing algorithms be used: the traditional algorithm or …
Treponemal tests, also called confirmatory tests (FTA, TP-PA, EIA), detect antibodies specific to syphilis. Treponemal antibodies will appear earlier after acute infection than non-treponemal …
Performance of treponemal tests for the diagnosis of syphilis
Treponemal immunoassays are increasingly used for syphilis screening with the reverse sequence algorithm. There are little data describing performance of treponemal …
TPPA Test: Syphilis Diagnosis, Procedure & Accuracy Explained
The TPPA test, formally known as the Treponema pallidum particle agglutination test, is a specialized blood test used to diagnose syphilis—a sexually transmitted infection caused by …
In the past decade, laboratories throughout California have increasingly employed automated treponemal enzyme immunoassays (EIA) or chemiluminescence assays (CIA) as the initial …
Syphilis Testing: Types, Timing, And Accuracy - STDcenterNY
Nontreponemal tests are used in conjunction with other tests to diagnose syphilis. They are also used in syphilis treatment to actively follow a patient’s response to medication. Confirmatory …
ongly suggests re-infection. The specific treponemal screen assay is a total antibody (IgM+IgG) assay against recombi. ant antigens of T. pallidum. They appear 2–3 weeks post infection …