Syphilis – VDRL
This is a non-treponemal screening test for syphilis. False positive results may occur due to systemic lupus erythematosus, leprosy, brucellosis, atypical pneumonia, typhus, yaws, pinta, or pregnancy. Monitoring of RPR is helpful in assessing effectiveness of therapy.
- Portal Ordering Code
Syphilis-VDRL
- CPT Code(s)
86592
- Storage and Transport Criteria
-
Specimen Storage Specimen Transport Acceptable SpecimensMinimum VolumeFrozen Range
-70°C - 0°CRefrigerated Range
0.1°C - 8°CRoom Temperature Range
8.1°C - 30°CStability at
4°C - 25°CCSF 0.5 mL Acceptable at -20°C indefinitely Acceptable up to 5 days Reject 8 hours Serum 1 mL Acceptable at -20°C indefinitely Acceptable up to 5 days Reject 8 hours - Includes
- CSF - If VDRL screen is Reactive, then VDRL Titer testing will be performed at an additional charge (CPT Code: 86593).
- Serum - If VDRL screen is Reactive, then VDRL Titer and TPPA testing will be performed at an additional charge (CPT Code(s): 86593, 86780).
- Methodology
Flocculation
- Assay Category
FDA Approved
- Reference Range
See laboratory report
- Alternative Names
- Syphilis Serology Screen
- PR(Dx) rfl Ttr/T.pallidum
- Blood Premarital RPR
- Automated Reagin Test
- ART
- Rapid Plasma Reagin
- Preferred Specimen(s)
- CSF
- Serum
- Alternative Specimen(s)
N/A
- Minimum Volume
- CSF - 0.5 mL
- Serum - 1 mL
- Special Instructions
CSF - Confirmatory TPPA cannot be performed on CSF.
- Reject Criteria
- Inadequately labeled specimens
- Leaking specimens
- QNS (quantities not sufficient)
- Specimens not meeting the Storage & Transport criteria upon receipt at laboratory
- Setup Schedule
Testing done once a week.
- Turn around time (TAT)
7 business days from arrival at the lab
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