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Test Code RPRRT Rapid Plasma Reagin (RPR), Response to Therapy

Important Note

Used for monitoring of Syphilis treatment. 

Syphilis Screening vs. Monitoring Algorithm 

Additional Codes

EPIC EAP
LAB5256  RPR, Response to Therapy 

Specimen Requirements

Container/Tube Type: 

Red (No Additive)
SST (Serum Separator)

 

Collection Information: 

Collect 6.0 mL of blood in a red serum or serum separator tube.

 

Transport Information: 

Transport 1.0 mL serum refrigerated in a plastic vial.

 

Minimum Sample Volume: 

3.0 mL blood/0.5 mL serum

 

Unacceptable Conditions: 

Gross Lipemia or Gross Hemolysis or does not meet collection, storage or transport requirements

Stability

Refrigerated Stability: 

14 days

 

Frozen Stability: 

365 days

 

Ambient Stability: 

48 hours

CPT

86592

Performing Laboratory

Pathology Laboratory, UnityPoint Health, Des Moines

Methodology

Charcoal Agglutination

Alias

VDRL, Automated Reagin Test (ART), Rapid Plasma Reagin Test (RPR), Syphilis G, Treponema pallidum (T. pallidum), Syphilis Serology (RPR) 

Performance

Performed once per day in the AM, Monday through Friday.

 

Testing Laboratory: 

Pathology Laboratory

 

Laboratory Section: 

Core Laboratory

 

Interpretive Data: 

Will be reported with a titer when reactive.