Rapid Plasma Reagin (RPR) with Reflex to Titer and FTA-ABS

0050011
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Example Reports
Non Reactive
Reactive

Ordering Recommendation

Not an optimal reflex test. Rapid Plasma Reagin (RPR) with Reflex to Titer and TP-PA Confirmation (0050478) is preferred.

Mnemonic

RPR FTA

Methodology

Semi-Quantitative Charcoal Agglutination/Semi-Quantitative Indirect Fluorescent Antibody

Performed

Sun-Sat

Reported

1-3 days

New York DOH Approval Status

This test is New York DOH approved.

Specimen Required

Patient Preparation
Collect

Serum separator tube.

Specimen Preparation

Separate serum from cells ASAP or within 2 hours of collection. Transfer 1mL serum to an ARUP Standard Transport Tube. (Min: 0.4 mL) Avoid freezing if possible.

Storage/Transport Temperature

Refrigerated.

Unacceptable Conditions

CSF or plasma. Contaminated, hemolyzed, or severely lipemic specimens.

Remarks
Stability

After separation from cells: Ambient: 48 hours; Refrigerated: 2 weeks; Frozen: 1 year

Reference Interval

Test Number
 Components
 Reference Interval
  Rapid Plasma Reagin (RPR) Effective May 21, 2012
RPR (+) = Reactive
RPR (-) = Nonreactive
  Rapid Plasma Reagin (RPR) Titer < 1:1
0050477 Treponema pallidum Antibody, IgG by IFA (FTA-ABS), Serum Nonreactive
0050777 Treponema pallidum Antibody by TP-PA Nonreactive

Interpretive Data



Compliance Category

FDA

Note

This panel is for clients in states where automatic confirmation using a treponemal test is required for all reactive RPR tests.

If RPR is reactive, then a titer to endpoint and FTA-ABS confirmation will be added. Additional charges apply.

Hotline History

N/A

CPT Codes

86592; if reflexed, add 86593; 86780

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Components

Component Test Code* Component Chart Name LOINC
0050472 Rapid Plasma Reagin (RPR) 20507-0
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.

Aliases

  • Rapid Plasma Reagin (RPR) with Reflex to Treponema Antibody Confirmation
  • RPR Reflex to Titer, FTA-ABS and TPPA
Rapid Plasma Reagin (RPR) with Reflex to Titer and FTA-ABS