Days Set Up
Monday - Friday
Analytic Time

1 - 3 days

MiChart Code
Syphilis Screening (VDRL), CSF (Sendout)
Soft Order Code

Test Updated:


Cerebrospinal Fluid, VDRL
Serologic Test for Syphilis, CSF
Spinal Fluid VDRL
Rapid Plasma Reagin Equivalent, CSF
Syphilis Antibody Screen, CSF
RPR Equivalent, CSF
Treponema pallidum Antibody Screen, CSF

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Find a Requisition

All specimens should be accompanied by a requisition.

Submitting Specimens

Learn about how to properly label and where to ship specimens.

Order Kits and Supplies

MLabs provides all the supplies necessary for the collection of specimens.

Test FAQ

Visit our provider FAQ and learn about common questions to ordering tests.

Test Overview

Test Methodology


Test Usage

Aid in the diagnosis of neurosyphilis. The VDRL on spinal fluid gives a high percentage of false negatives. The VDRL-CSF should be performed only when the patient's SERUM treponemal test (FTA-ABS) result is reactive.

Reference Range

Negative. Positive results will be titered.

* Reference ranges may change over time. Please refer to the original patient report when evaluating results.

Specimen Requirements

Collection Offsite

Collect cerebrospinal fluid (CSF) and freeze.

Normal Volume
0.5 mL CSF
Minimum Volume
0.2 mL CSF

Billing Information

CPT Code
Pro Fee Code

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Our High Standard

Quality that sets us apart

As the reference laboratory division of Michigan Medicine's Department of Pathology, MLabs shares the institution's commitment to applying established quality principles to clinical laboratory testing. Like other large organizations in complex, consequential fields, we rely on an established approach to monitor quality throughout the testing process.