Test Code RPRRT Rapid Plasma Reagin (RPR) Screen with Reflex to Titer, Serum
Performing Laboratory

Useful For
Determining the current disease status
Monitoring response to therapy for syphilis
Aid to diagnose congenital syphilis
This test cannot be used for testing spinal fluid specimens.
This test is not intended for medical-legal use.
Ordering Guidance
This test is for monitoring response to therapy in patients treated for syphilis infection. This test should not be used as a primary diagnostic approach for syphilis. To screen for undiagnosed syphilis infection, order SYPH1 / Syphilis IgG with Reflex, Enzyme Immunoassay, Serum.
Specimen Required
Supplies: Sarstedt Aliquot Tube, 5 mL (T914)
Collection Container/Tube:
Preferred: Serum gel
Acceptable: Red top
Submission Container/Tube: Plastic vial
Specimen Volume: 0.5 mL
Collection Instructions: Centrifuge and aliquot serum into a plastic vial.
Reporting Name
RPR Screen w/ Reflex to Titer,SSpecimen Minimum Volume
0.4 mL
Specimen Type
SerumSpecimen Stability Information
Specimen Type | Temperature | Time |
---|---|---|
Serum | Refrigerated (preferred) | 14 days |
Frozen | 14 days |
Day(s) Performed
Monday through Saturday
Reference Values
Negative
Reference values apply to all ages.
Reflex Tests
Test ID | Reporting Name | Available Separately | Always Performed |
---|---|---|---|
RPRT2 | RPR Titer,S | No | No |
Testing Algorithm
If this test is positive, then the rapid plasma reagin titer will be performed at an additional charge.
Report Available
Same day/1 to 4 daysMethod Name
Flocculation/Agglutination
Test Classification
This test has been cleared, approved, or is exempt by the US Food and Drug Administration and is used per manufacturer's instructions. Performance characteristics were verified by Mayo Clinic in a manner consistent with CLIA requirements.CPT Code Information
86592
86593-Rapid Plasma Reagin Titer (if appropriate)
LOINC Code Information
Test ID | Test Order Name | Order LOINC Value |
---|---|---|
RPRT1 | RPR Screen w/ Reflex to Titer,S | 20507-0 |
Result ID | Test Result Name | Result LOINC Value |
---|---|---|
616863 | RPR Screen w/ Reflex to Titer,S | 20507-0 |
Forms
If not ordering electronically, complete, print, and send Infectious Disease Serology Test Request (T916) with the specimen.