Rapid Plasma Reagin (RPR) Test With Reflex to Quantitative RPR and Confirmatory Treponema pallidum Antibodies

CPT: 86592
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  • Nontreponemal Test
  • Serological Tests for Syphilis (STS)
  • Syphilis Serology

Test Includes

RPR, qualitative; RPR titer; and Treponema pallidum-specific test on reactives. An additional fee is charged when a confirmatory Treponema pallidum test is performed.

Expected Turnaround Time

1 - 2 days

Related Documents

Specimen Requirements




2 mL

Minimum Volume

1 mL


Red-top tube or gel-barrier tube

Storage Instructions

Maintain specimen at room temperature.

Stability Requirements



Room temperature

7 days


7 days


7 days

Freeze/thaw cycles

Stable x3

Causes for Rejection

Hemolysis; lipemia; gross bacterial contamination; plasma specimen

Test Details


Serological test for screening for syphilis infection


Charcoal flocculation and multiplex flow immunoassay

Reference Interval



Order Code Order Code Name Order Loinc Result Code Result Code Name UofM Result LOINC
012005 RPR, Rfx Qn RPR/Confirm TP 20507-0 006072 RPR 20507-0
Reflex Table for RPR
Order Code Order Name Result Code Result Name UofM Result LOINC
Reflex 1 006464 RPR, Quant. 006464 RPR, Quant. 31147-2
Reflex Table for RPR
Order Code Order Name Result Code Result Name UofM Result LOINC
Reflex 1 012021 RPR Qn+TP Abs 082371 Treponema pallidum Antibodies 47236-5

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