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HelpTest Code VDSF VDRL, Spinal Fluid
Ordering Guidance
For assessment of intrathecally synthesized Treponema pallidum antibodies in spinal fluid (CSF) (ie, the method corrects for any passive diffusion of antibodies from serum into the CSF), order NSAIP / Neurosyphilis IgG Antibody Index with VDRL, Serum and Spinal Fluid.
Specimen 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.
CMH COLLECTION: 0.5 mL in sterile container
Specimen Minimum Volume
0.2 mL
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| CSF | Frozen (preferred) | 14 days |
| Refrigerated | 14 days |
Testing Algorithm
If this test is positive, a VDRL titer will be performed at an additional charge.
Reflex Tests
| Test ID | Reporting Name | Available Separately | Always Performed |
|---|---|---|---|
| VDSFQ | VDRL Titer, CSF | No | No |
Useful For
Aiding in the diagnosis of neurosyphilis
Reject Due To
| Gross hemolysis | Reject |
| Gross lipemia | Reject |
Day(s) Performed
Monday through Friday
Report Available
1 to 4 daysReporting Name
VDRL, CSFReference Values
Negative
Reference values apply to all ages.
Method Name
Flocculation/Agglutination
Performing Laboratory
Mayo Clinic Laboratories in Rochester
CPT Code Information
86592