Test Directory

Rapid Plasma Reagin Screen Response to Therapy, Serum

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Updated Test Information:

Test Description
Rapid Plasma Reagin Screen Response to Therapy, Serum
Synonym(s)
RPR Screen, Response to Therapy
Test ID
RPRRT
General Information
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
Specimen Type
Serum
Specimen Requirements
SST
Stability
Refrigerated (preferred) 14 days
Frozen 14 days
Unacceptable Specimen Conditions
Gross hemolysis Reject
Gross lipemia Reject
Heat-inactivated Reject
Methodology
RPRRT: Multiplex Flow Immunoassay
RRPRQ: Flocculation/Agglutination
Estimated TAT
2-4 days
Testing Schedule
Monday-Saturday
CPT Code(s)
0065U
Minimum Sample Volume
0.4 mL
Reference Range
Nonreactive
Reflex Conditions
RRPRQ RPR Titer
Performing Lab
Mayo
LOINC Code(s)
20507-0