ARUP's Laboratory Test Directory

Treponema pallidum (Rapid Plasma Reagin) with Reflex to Titer : 0050471

Mnemonic: RPRT

Methodology: Charcoal Agglutination
Performed: Sun-Sat
Reported: Within 24 hours
Specimen Required: Collect:  One 4 mL serum separator tube.

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)
Reference Interval:
 
Test Number Components Reference Interval
 Treponema pallidum (RPR) Nonreactive
 Treponema pallidum (RPR) Titer < 1:2

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
 
 

 

 

 
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