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Test Code Billings Clinic: 8924 Mayo: VDSF VDRL, Spinal Fluid

Reporting Name

VDRL, CSF

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Useful For

Aiding in the diagnosis of neurosyphilis

Method Name

Flocculation/Agglutination


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.


Specimen Type

CSF

Specimen Minimum Volume

0.2 mL

Specimen Stability Information

Specimen Type Temperature Time
CSF Frozen (preferred) 14 days
  Refrigerated  14 days

Reject Due To

Gross hemolysis Reject
Gross lipemia Reject

Reference Values

Negative

Reference values apply to all ages.

Interpretation

A positive VDRL result on spinal fluid is highly specific for neurosyphilis.

 

A single negative VDRL result should not be used to exclude neurosyphilis and repeat testing on a new specimen may be necessary.

 

Positive results will be titered.

Day(s) Performed

Monday through Friday

Report Available

1 to 4 days

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

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.