ARUP's Laboratory Test Directory
| 0050471: Treponema pallidum (Rapid Plasma Reagin) with Reflex to Titer |
| Test Mnemonic: RPRT | |
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Methodology: Charcoal Agglutination
Performed: Sun-Sat Reported: Within 24 hours |
| Specimen Required: | |
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Collect: One 4 mL SST.
Transport: 0.5 mL serum at 2-8°C. (Min: 0.25 mL) Submit specimen in an ARUP Standard Transport Tube. Pediatric Collection/Transport: 0.15 mL serum at 2-8°C. Remarks: Separate serum from cells ASAP. Plasma is also acceptable if testing is completed before the specimen is 48 hours old. Unacceptable Conditions: CSF and other body fluids. Stability: After separation from cells: Ambient: 2 days; Refrigerated: 2 weeks; Frozen: 1 year (avoid repeated freeze/thaw cycles) |
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| Reference Interval: | |||||||||
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| Note: | |
| If RPR is weakly reactive or reactive, then a titer will be added. |
| CPT Code(s): | |
| 86592 Treponema pallidum screen; if reflexed, add 86593 Treponema pallidum titer |