Test Catalog

Treponema pallidum, IgG. Confirmation by Immunoblot

Clinical information

Diagnostic Utility:

This is the confirmatory detection of IgG antibodies against recombinant proteins (TpN47, TpN17, and TpN15) and a synthetic peptide (TmpA) of Treponema pallidum, and its determination is useful in:

  • Confirmation of individuals with a chronic infection or past infection by Treponema pallidum.
  • Transfusion of blood components.
  • Transplantation of progenitor cells, solid organs, and tissues.
  • Screening infectious diseases in egg and semen donors.

Method:

Immunochromatographic assay.

Reference Values

Possible results are: Reactive, Indeterminate, and Non-Reactive.

Diagnostic Algorithm:

Not applicable.

Turnaround Time:

Maximum of 15 working days.

Specimen information

Sample: Serum and/or plasma
Tube: 1-5 mL aliquots, plasma tubes with EDTA, potassium oxalate, sodium citrate, ACD, CP2D, CPD or CPDA-1 as anticoagulant and/or serum tubes with and without gel separator.
Minimum essential volume: 1 ml
Stability:

  • At room temperature: ≤ 4 days
  • In refrigeration 2-8 °C: ≤ 7 days
  • Sample frozen at or below -20°C: 10 years

Transport instructions: Preferably at room temperature and/or refrigerated if they are whole blood tubes and frozen if they are serum and/or plasma aliquots.

Reason for rejection: Highly hemolyzed sample.

Administrative information

BST Code: 0134
Test Description: Treponema pallidum, IgG. Confirmation by Immunoblot.
Synonyms: Syphilis confirmation
Section: Transfusion Safety Laboratory
BST Rate: Check the updated rates here.

Profiles:

N/A.

References

  • Inserts kits test FUJIREBIO INNO-LIA Syphilis Score.