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Test Code RPRS Rapid Plasma Reagin Screen with Reflex, Serum


Specimen Required


Only available as a reflex test. For more information see SYPHT / Syphilis Total Antibody with Reflex, Serum.

 

Container/Tube:

Preferred: Serum gel

Acceptable: Red top

Submission Container/Tube: Plastic vial

Specimen Volume: 0.5 mL

Collection Information: Centrifuge and aliquot serum into plastic vial.


Useful For

Aiding in the diagnosis of recent or past Treponema pallidum infection

 

Rapid plasma reagin screening when T pallidum antibody screen is positive

 

This test is not useful as a screening or confirmatory test for blood donor specimens.

Testing Algorithm

If the rapid plasma reagin (RPR) screen is reactive, then the RPR titer will be performed at an additional charge.

 

If the RPR screen is nonreactive, then syphilis antibody Treponema pallidum particle agglutination testing will be performed at an additional charge.

 

See Syphilis Serology Algorithm

Special Instructions

Method Name

Only available as a reflex test. For more information, see SYPHT / Syphilis Total Antibody with Reflex, Serum.

 

RPRS: Multiplex Flow Immunoassay

RRPRQ: Flocculation/Agglutination

RTPPA: Particle Agglutination

Reporting Name

RPR Screen w/ Reflex, S

Specimen Type

Serum

Specimen Minimum Volume

0.4 mL

Specimen Stability Information

Specimen Type Temperature Time Special Container
Serum Refrigerated (preferred) 14 days
  Frozen  14 days

Reject Due To

Gross hemolysis Reject
Gross lipemia Reject
Heat-inactivated specimen Reject

Reference Values

Only available as a reflex test. For more information see SYPHT / Syphilis Total Antibody with Reflex, Serum.

 

Nonreactive

Day(s) Performed

Monday through Saturday

Report Available

Same day/1 to 4 days

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Test Classification

This test has been cleared, approved, or is exempt by the US Food and Drug Administration and is used per manufacturer's instructions. Performance characteristics were verified by Mayo Clinic in a manner consistent with CLIA requirements.

CPT Code Information

86593-Rapid Plasma Reagin Titer (if appropriate)

86780-Syphilis Antibody by TP-PA (if appropriate)

LOINC Code Information

Test ID Test Order Name Order LOINC Value
RPRS RPR Screen w/ Reflex, S 20507-0

 

Result ID Test Result Name Result LOINC Value
RPRS RPR Screen w/ Reflex, S 20507-0