Test Catalog

Test ID: KCSF    
Immunoglobulin Kappa Free Light Chain, Spinal Fluid

Useful For Suggests clinical disorders or settings where the test may be helpful

Diagnosis of multiple sclerosis and other demyelinating conditions


Evaluation of patients presenting with a clinically isolated syndrome, which is a clinical episode where patient reports symptoms (headaches, optic neuritis, fatigue and many others, depending on the disease location) characteristic of inflammation and demyelination of the central nervous system


A testing recommendation in cases where the imaging findings are atypical, and in populations in which multiple sclerosis is less common (eg, children, older individuals, or non-white populations)


The test is not useful when a clear diagnosis is already known because a positive result does not correlate with severity of the disease or disease outcomes.

Method Name A short description of the method used to perform the test


NY State Available Indicates the status of NY State approval and if the test is orderable for NY State clients.


Reporting Name Lists a shorter or abbreviated version of the Published Name for a test

Kappa Free Light Chain, CSF

Aliases Lists additional common names for a test, as an aid in searching

Free Light Chain, cerebrospinal fluid
Free Light Chain, spinal fluid
Cerebrospinal fluid Free Light Chain
Spinal fluid Free Light Chain
Multiple Sclerosis (MS)
Oligoclonal Banding