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HelpTest Code LAB866 FTA (Fluorescent Treponemal Antibody), Serum
Additional Codes
45674
Reporting Title
FTA-ABS
Methodology
Zeus Scientific, Inc., Immunofluorescence Assay (IFA)
FTA, absorbed (FTA-ABS) is recommended for confirming reactive rapid plasma reagin (RPR) tests for syphilis. FTA-ABS will be reactive in current and previous syphilis infections. False-reactives have been reported in patients with hypogammaglobulinemia, systemic lupus erythematous, and pregnancy.
Performing Laboratory
OhioHealth Laboratory Services-RMH Special Testing
Specimen Requirements
Draw blood in a gold-top serum gel tube(s). Spin down and send 1 mL of serum frozen.
Note: A speckled-top serum gel tube (s) or a plain, red-top tube(s) is also acceptable.
| Specimen Type | Temperature | Time |
|---|---|---|
| Serum | Refrigerated | 48 hours |
| Frozen | Indefinite |
Specimen Transport Temperature
Refrigerate OK/Frozen OK
Reference Values
Nonreactive
Day(s) Test Set Up
Tuesday and Thursday
Test Classification and CPT Coding
86780