Treponema pallidum Antibody, Confirmation
| Abbrev Code: | TPPA | ||
| Order Code: | LAB5869 | Order Name: | Treponema Pallidum Antibody, Confirm |
| Synonyms: | TP-PA Syphilis | ||
| Methodology: | Semi-quantitative particle agglutination | ||
| CPT Codes: | 86780 x1, 86780 x1 | ||
| Turnaround Time: | Specimens are sent to reference laboratory Mon-Sat; results are reported within 1-4 days. | ||
| Special Instructions: | This test is ordered by IDDL Virology as a confirmatory test for the Anti-Treponema (TREPT). | ||
Collection Instructions
| Specimen: | Blood |
| Optimal Volume: | 2 mL |
| Minimum\Peds Volume: | 0.4 mL |
| Container: | Red or gold (gel) Alternate Containers: Purple (EDTA), Red (no gel) |
| Causes for Rejection: | CSF or other body fluids. |
Processing and Shipping
| Specimen Processing: | Separate serum from cells within 2 hours of collection. Centrifuge and aliquot 1 mL, 0.1 mL minimum. Store in refrigerator. |
| Shipping Instructions: | Ship at refrigerated temperature. |
| Stability: | After separation from cells: 48 hours at room temperature; 2 weeks refrigerated; 1 year frozen. |
| Test Performed at or Referral Lab | Lab Sendouts (ARUP) |
| Referral Lab number: | 50777 |
Interpretive
| Reference Range: | Non-reactive. |
| Use: | CDC recommended confirmatory test for syphilis. Order if initial screening (e.g., RPR, VDRL) is reactive. |
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