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HelpOrder Code VDSFQ VDRL Titer, Spinal Fluid
Specimen Required
Only orderable as a reflex. For more information see VDSF / VDRL, Spinal Fluid.
Collection Container/Tube: Sterile vial
Submission Container/Tube: Plastic vial
Specimen Volume: 0.5 mL
Collection Instructions: Submit specimen collected in vial 2, if possible. If not, note which vial from which the aliquot was obtained.
Useful For
Aiding in the diagnosis of neurosyphilis
Method Name
Only orderable as a reflex. For more information see VDSF / VDRL, Spinal Fluid.
Flocculation/Agglutination
Reporting Name
VDRL Titer, CSFSpecimen Type
CSFSpecimen Minimum Volume
0.2 mL
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| CSF | Frozen (preferred) | 14 days | |
| Refrigerated | 14 days |
Reject Due To
| Gross hemolysis | Reject |
| Gross lipemia | Reject |
Reference Values
Only orderable as a reflex. For more information see VDSF / VDRL, Spinal Fluid.
Negative
Reference values apply to all ages.
Method Description
The VDRL antigen and spinal fluid are mixed on a 180 RPM rotator. The antigen, a cardiolipin-lecithin coated cholesterol particle, flocculates in the presence of reagin.(US Department of Health, Education and Welfare, National Communicable Diseases Center, Venereal Disease Program: Manual of Tests for Syphilis. Centers for Disease Control; 1969; Bennett JE, Dolin R, Blaser MJ, eds. Mandell, Douglas, and Bennett's Principles and Practice of Infectious Diseases. 9th ed. Elsevier; 2020)
Day(s) Performed
Monday through Friday
Performing Laboratory
Mayo Clinic Laboratories in Rochester
CPT Code Information
86593