Test Code VDSFT VDRL Titer, Spinal Fluid
Specimen Required
Only orderable as a reflex. For more information see NSAIP / Neurosyphilis IgG Antibody Index with VDRL, Serum and Spinal Fluid.
Specimen Type: Spinal fluid
Container/Tube: Sterile vial
Specimen Volume: 2.2 mL
Collection Instructions:
1. The spinal fluid (CSF) specimen must be collected within 24 hours of the serum specimen, preferably at the same time.
2. The CSF aliquot should be from the second, third, or fourth CSF vial collected during the lumbar puncture. Do not submit CSF from the first vial due to the possibility of blood contamination, which will cause specimen rejection.
3. Label vial as spinal fluid or CSF.
4. Band CSF specimen together with the serum sample.
Useful For
Aid in the diagnosis of neuroinvasive syphilis as part of a profile
Method Name
Only orderable as a reflex. For more information see NSAIP / Neurosyphilis IgG Antibody Index with VDRL, Serum and Spinal Fluid.
Flocculation/Agglutination
Reporting Name
VDRL Titer,CSFSpecimen Type
CSFSpecimen Minimum Volume
1.5 mL
Specimen Stability Information
Specimen Type | Temperature | Time |
---|---|---|
CSF | Refrigerated (preferred) | 14 days |
Frozen | 14 days |
Reject Due To
Gross hemolysis | Reject |
Gross lipemia | Reject |
Spinal fluid (CSF) contaminated with blood | Reject |
Reference Values
Only orderable as a reflex. For more information see NSAIP / Neurosyphilis IgG Antibody Index with VDRL, Serum and Spinal Fluid.
Negative
Reference values apply to all ages.
Day(s) Performed
Monday through Friday
Report Available
2 to 4 daysPerforming Laboratory

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
LOINC Code Information
Test ID | Test Order Name | Order LOINC Value |
---|---|---|
VDSFT | VDRL Titer,CSF | 31146-4 |
Result ID | Test Result Name | Result LOINC Value |
---|---|---|
621959 | VDRL Titer,CSF | 31146-4 |