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Test Code VDSFQ VDRL Titer, Spinal Fluid


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


Secondary ID

65036

Useful For

Aiding in the diagnosis of neurosyphilis

Testing Algorithm

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

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 Special Container
CSF Frozen (preferred) 14 days
  Refrigerated  14 days

Reject Due To

Gross hemolysis Reject
Gross lipemia Reject

Reference Values

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

 

Negative

Reference values apply to all ages.

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.(U.S. 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)

Day(s) and Time(s) Performed

Monday through Friday; 12 p.m.

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Test Classification

This test has been cleared, approved or is exempt by the U.S. 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