Test Code TPPAB Syphilis Antibody, Treponema pallidum Particle Agglutination, Serum (TPPA)

Important Note

This assay is ordered reflexively when discordant Syphillis IgG IgM and RPR results are obtained.
Syphilis Screening vs. Monitoring Algorithm

EPIC: LAB1197

Pathology Laboratory

Monday through Friday

Analytical Time:

1 day

Particle Agglutination

Preferred Collection Container:

SST (Serum Separator)

Also Acceptable Collection Container:

Red (No Additive)

Collection Information:

Collect blood in a SST (Serum Separator). Red (No Additive) also acceptable.

Transport Information:

Centrifuge and aliquot 0.5 mL of serum into a plastic transport vial. Send refrigerated.

Minimum Sample Volume:

0.3 mL of serum (approximately 0.6 mL of whole blood based upon a normal patient hematocrit)

Unacceptable Conditions:

Gross hemolysis or gross lipemia

Refrigerated Stability:

5 days - Preferred

Frozen Stability:

Indefinitely
Freeze/Thaw: Once

86780