UW Hospital and Clinics Lab Test Directory
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RPR, Confirm if positive
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| Test Code(s): |
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RPR / RPRFTA
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| CPT Code(s): |
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86592
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| Methodology: |
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Flocculation
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| Clinical Significance: |
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Nontreponemal screening test for syphilis.
This test should be requested for initial diagnosis of syphilis. For post-treatment follow-up testing where confirmatory testing is not required, please order "RPR, No Confirmation".
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| Request Form: |
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UWHC Laboratory Request Form (UWH 1289220, 4004202); Write in test if not on form.
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| Days Performed: |
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Mon-Fri.
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| Turnaround Time: |
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Routine: Next working day.
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Specimen Requirements
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| Specimen: |
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Blood
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| Collection Container: |
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Preferred: Red top
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| Collection Volume: |
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Preferred: 1 mL
Pediatrics: 1 mL
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| Sample Analyzed: |
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Serum
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| Volume Required: |
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Preferred: 0.5 mL
Pediatrics: 0.3 mL
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| Specimen Processing: |
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Centrifuge immediately. Transfer cell-free serum to plastic vial. Refrigerate.
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| Specimen Transport: |
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Transport specimen to UWHC Core Laboratory (B4/220). Transport with coolant pack if coming from outreach location.
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| Stability: |
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Ambient: Remove from cells immediately
Refrigerated: 5 days
Frozen: 1 year
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Interpretation
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Expected Results:
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Nonreactive
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| Additional Information: |
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Reactive samples are forwarded to the Wisconsin State Lab of Hygiene for confirmation by TP-PA.
This method is approved for diagnostic testing only. It is not approved for screening tissue donors that fall under FDA's HCT/P requirements.
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VDRL, serum Syphilis
Rapid Plasma Reagin
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