Treponema pallidum (TP-PA)
Brief Description
Serodia- TP-PA is a qualitative gelatin particle agglutination assay intended to be used for the detection of Treponema Pallidum antibodies in human serum as an aid in the diagnosis of syphilis.
Laboratory Unit
Immunology
Methodology
Treponemal Particle Agglutination (IgG, IgM)
Specimen Collection
Serum:
Collect in gold top SST tube, centrifuge.
Collect in tiger top SST tube, centrifuge.
Storage/Transport
Serum separated from the clot can be maintained at refrigerated temperature (2-8°C) during transit for no more than three days after collection.
Serum separated from the clot can be stored frozen (-20°C or colder) and shipped with dry ice.
Acceptable Specimen Type(s)
Serum
Test Request
- GPHL Apollo Web Portal
- Web Portal Instructions
- For manual orders, download the GPHL Submission Form
Possible Results
- Reactive
- Nonreactive
- Minimally Reactive
- Unsatisfactory
- Inconclusive
Reference Range
Nonreactive
Unacceptable Conditions
- Missing written testing requisition form
- Missing minimum of 2 patient identifiers
- Improper labeling
- Improper storage/transport of specimen
- No specimen received (empty collection tube).
- Wrong specimen type
- Specimen damaged, broken, or leaking upon arrival
Interfering Substances
Erythrocytes
Result Reported
5-7 business days
Fees
LOINC/Order Codes
24312-1 (Order code: 1640)