Days Set Up
Tuesday, Friday
Analytic Time

8 hours

MiChart Code
Fluor Treponemal AB, CSF
Soft Order Code

Test Updated:


Fluorescent Treponemal Ab, CSF
Treponema pallidum Antibody, CSF
Fluorescent Treponemal Antibody - Absorption
Syphilis Antibody, CSF
FTA, Spinal Fluid

Looking to order a test?

We’ve provided helpful links to make ordering easy.

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

Indirect Fluorescent Antibody (IFA), Treponema pallidum substrate

Test Usage

CSF FTA-ABS testing is not recommended by the CDC, but may be used to rule out neurosyphilis if the CSF FTA-ABS is reported as nonreactive.

Reference Range


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

Specimen Requirements

Collection Offsite

Collect spinal fluid; refrigerate.

Normal Volume
1 mL CSF
Minimum Volume
0.5 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.