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 Qualitative.

• Reactive reflex goes to RPR Quant (Titer)

• Nonreactive reflex = T.PALLIDUM AB By TP-PA

Additional charges will apply.

Turnaround Time:

Routine: 2 days, additional time for reflex testing. 

Test Schedule:

7 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 screen for patients 18 months old or older (reverse algorithm).

For patients younger than 18 months, refer to RPR With Reflex to Titer and TP-PA Confirmation (LAB00282)

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