Home
HelpTest ID RPRRT Rapid Plasma Reagin Screen Response to Therapy, Serum
Ordering Guidance
This test is for monitoring response to therapy in patients treated for a syphilis infection. To screen patients for an undiagnosed syphilis infection, order SYPHT / Syphilis Total Antibody with Reflex, Serum.
Specimen Required
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 plastic vial.
Useful For
Determining the current disease status and evaluating response to therapy for syphilis
This test should not be used as a primary diagnostic approach for syphilis.
This test is not useful for testing spinal fluid specimens.
This test is not intended for medical-legal use.
Highlights
This assay provides a rapid plasma reagin (RPR) screen and can be used to monitor response to therapy in patients treated for syphilis infection.
Reflex Tests
| Test ID | Reporting Name | Available Separately | Always Performed |
|---|---|---|---|
| RRPRQ | RPR Titer, S | No | No |
Testing Algorithm
If this test is positive, then the titer will be performed at an additional charge.
Method Name
RPRRT: Multiplex Flow Immunoassay
RRPRQ: Flocculation/Agglutination
Reporting Name
RPR Screen, Response to Therapy, SSpecimen Type
SerumSpecimen Minimum Volume
0.4 mL
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Serum | Refrigerated (preferred) | 14 days | |
| Frozen | 14 days |
Reference Values
Nonreactive
Day(s) Performed
Monday through Saturday
Report Available
Same day/1 to 4 daysPerforming Laboratory
Mayo Clinic Laboratories in Rochester
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
0065U (PLA Code)
86593-Rapid Plasma Reagin Titer (if appropriate)
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| RPRRT | RPR Screen, Response to Therapy, S | 47236-5 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| RPRRT | RPR Screen, Response to Therapy, S | 20507-0 |
NY State Approved
YesForms
If not ordering electronically, complete, print, and send a Microbiology Test Request (T244) with the specimen.