Rapid Plasma Reagin (RPR) Test With Reflex to Quantitative RPR and Confirmatory Treponema Pallidum Antibodies

Additional Information:

UFHPL Epic order code: LAB21049401

CPT Code(s):


Specimen Requirements:

Type: Serum or plasma

Container/Tube: Red-top tube, gel-barrier tube or lavender-top tube (EDTA)
  • Plasma specimens may not be less than one-half full, as excess anticoagulant may cause incorrect results.

Sample Volume: 2 mL

Minimum Volume: 1 mL (Repeat testing is not possible with this specimen volume.)

Storage: Refrigerate specimens immediately after collection.

Stability (collection to time of analysis/testing):

  • Ambient: 7 days
  • Refrigerated: 7 days
  • Frozen: 7 days
  • Freeze/Thaw Cycles: Stable (x 3)
Rejection Criteria:

  • Hemolysis
  • Lipemia
  • Gross bacterial contamination


This test is used to confirm syphilis infection.


Charcoal flocculation and agglutination

Reference Values: