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Test Code VDSFQ VDRL Titer, Spinal Fluid

Additional Codes

Cerner NextGen
VDRL Titer, CSF-Mayo VDRL Titer, CSF-Mayo


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.


Secondary ID

65036

Performing Laboratory

Mayo Clinic Laboratories in Rochester

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, CSF

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

Clinical Information

The VRDL assay is a nontreponemal serologic test for syphilis that uses a cardiolipin-cholesterol-lecithin antigen to detect reaginic antibodies.

 

The presence of neurosyphilis in untreated patients can be detected by the presence of pleocytosis, elevated protein, and a positive VDRL result.

Reference Values

Only orderable as a reflex. For more information see VDSF / VDRL, Spinal Fluid.

 

Negative

Reference values apply to all ages.

Interpretation

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

Day(s) Performed

Monday through Friday

Report Available

1 to 3 days

Specimen Retention Time

14 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

86593

LOINC Code Information

Test ID Test Order Name Order LOINC Value
VDSFQ VDRL Titer, CSF 31146-4

 

Result ID Test Result Name Result LOINC Value
65036 VDRL Titer, CSF 31146-4