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Test Code Billings Clinic: 7008 Rapid Plasma Reagin (RPR) Test, Serum

Performing Laboratory

Billings Clinic Laboratory: Serology

Useful For

Determining the current disease status and evaluating response to therapy for syphilis

Methodology

Flocculation/Agglutination

Profile/Testing Information

  • This is a screening test.
  • If positive, it will reflex to an RPR Titer

 

This test may automatically reflex to other tests. An additional fee may be added. The ordering physician/provider must indicate if the reflex test is NOT DESIRED. Indicate on order if no reflex test is desired.

Specimen Requirements

  • Draw blood in a serum gel tube(s).
  • Spin down and send 1 mL of serum frozen in plastic vial.

Reference Values

Nonreactive
 

The RPR usually becomes reactive 7 to 10 days after the appearance of a chancre.

Day(s) Test Set Up

Nightly (late p.m.)

Test Classification and CPT Coding

86592 - Syphilis test, non-treponemal antibody, qualitative

 

ICD-10 code is required for this test. When appropriate, obtain a properly executed ABN and submit the ABN with test order(s).

LOINC Code Information

Reporting Name LOINC Code
RPR 20507-0

 

Storage and Stability

Specimen Type Temperature Time
Serum Refrigerated 5 days
  Frozen 30 days