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Test Code LAB494 Rapid Plasma Reagin (RPR)

Important Note

Note:  This test should only be ordered for:

  •  Patients who are known to be RPR reactive to monitor the effectiveness of treatment. 
  • Infants up to 6 months of age, to diagnose or monitor the treatment of congenital syphilis.

All reactive specimens are reflexed to Quantitative RPR.  

For initial syphilis screening, order Syphilis Total IgG and IgM with Reflex to RPR - LAB8092.

Additional Codes:

RPR QUAL

Collection:

Specimen: Blood

Container: Serum Separator, Plain Red Top

Volume: 5 ml; Minimum 3 ml

Pediatric Collection:

One Gold or Red microtainer filled 600 uL.

Storage Instructions:

Specimen may be held overnight at Room Temperature. Refrigerate for storage beyond 12 hours. Serum may be stored for up to 7 days at 2-8C.  For longer storage of samples, freeze at -20C or colder.

Turnaround Time (TAT):

Results reported same day or next day after the test is performed.

Test Availability:

Monday – Friday

Assay:

0.2 ml serum

Request Form:

Routine Laboratory Request Form

Send To:

UMC MAIN LABORATORY – EH319 Extension Hospital

Reference Interval:

Non-Reactive

Specimens with a Reactive Syphilis IgG screen and a Non-Reactive RPR are reflexed to the Treponema Pallidum Particle Agglutionation assay unless they have been previously reactive for TPPA.