Syphilis Screen w/Reflex (Treponemal Ab-First, Reverse Algorithm)

Orderable EAP code:

LAB103756

Billable EAP Codes:

80002963 x 1

CPT Codes:

86780 x 1

Lab Section:

Immunology

Includes:

Treponema Pallidum Antibody. If reactive, reflex to RPR w/reflex to titer or TP-PA.
Additional charges will apply. 

Turnaround Time:

Routine: 2 days, additional time for reflex testing. 

Test Schedule:

5 days a week. 

Interpretation:

 Result

 Final Interpretation

 Non - Reactive

 Non-reactive for treponema antibodies

 Reactive

 Reactive for treponema antibodies

Related Links:

Syphilis Test Algorithm

Specimen Requirements:

4.0 mL blood in serum separator tube (SST). Send 2 mL serum aliquot.
Minimum volume is 1.5 mL serum.
Storage/Transport Temperature: Refrigerated. Remove specimen from clot or separator gel prior to storage.
Stabile refrigerated (2 to 8 C) for 5 days. Stable frozen -20 C or colder for 8 to 30 days.

Pediatric Specimen Requirements:

*Do not order for patients less than 18 months. See comments below.*
4.0 mL blood in serum separator tube (SST). Send 2 mL serum aliquot.
Minimum volume is 1.5 mL serum.
Storage/Transport Temperature: Refrigerated. Remove specimen from clot or separator gel prior to storage.
Stabile refrigerated (2 to 8 C) for 5 days. Stable frozen -20 C or colder for 8 to 30 days.

Reference Range:

Treponema pallidum Antibodies: Nonreactive
RPR: Nonreactive
RPR Titer: Less than 1:1

Comments:

Recommended test for Syphilis Screening for Sexually Transmitted Infection (STI) and pregnancy.

For patients younger than 18 months, refer to syphilis Screen w/'Reflex (RPR AB-First, Tradition Algorithm) (LAB00282).

T.Pallidum AB By TP-PA is sent to ARUP for testing.  ARUP Test Directory: Treponema pallidum Antibody by TP-PA (Opens in a new window)