Test Code VDSF VDRL, Spinal Fluid
Reporting Name
VDRL, CSFUseful For
Aiding in the diagnosis of neurosyphilis
Performing Laboratory
Mayo Clinic Laboratories in RochesterSpecimen Type
CSFSpecimen Required
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.
Specimen Minimum Volume
0.2 mL
Specimen Stability Information
Specimen Type | Temperature | Time | Special Container |
---|---|---|---|
CSF | Frozen (preferred) | 14 days | |
Refrigerated | 14 days |
Reference Values
Negative
Reference values apply to all ages.
Day(s) Performed
Monday through Friday
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
86592
LOINC Code Information
Test ID | Test Order Name | Order LOINC Value |
---|---|---|
VDSF | VDRL, CSF | 5290-2 |
Result ID | Test Result Name | Result LOINC Value |
---|---|---|
9028 | VDRL, CSF | 5290-2 |
Method Description
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)
Report Available
1 to 4 daysReject Due To
Gross hemolysis | Reject |
Gross lipemia | Reject |
Method Name
Flocculation/Agglutination
Reflex Tests
Test ID | Reporting Name | Available Separately | Always Performed |
---|---|---|---|
VDSFQ | VDRL Titer, CSF | No | No |
Testing Algorithm
If this test is positive, a VDRL titer will be performed at an additional charge.
For more information, see Meningitis/Encephalitis Panel Algorithm.