Myelin Basic Protein (MBP) in Cerebrospinal Fluid (CSF)

Why Is This Test Done?

Your healthcare provider may order this test if you have symptoms like numbness, weakness, vision problems, or balance issues that could suggest nerve damage or demyelination. It’s often used alongside other tests, such as MRI scans or nerve function tests, to support a diagnosis of conditions like multiple sclerosis or other neurological disorders.

What Does the Test Involve?

A small amount of cerebrospinal fluid is collected through a procedure called a lumbar puncture (spinal tap). The fluid is then analyzed for myelin basic protein levels. This test is typically done in a hospital or clinic setting.

What Are Possible Results?

Results are interpreted by your healthcare provider based on your symptoms, medical history, and other test findings. Elevated levels of myelin basic protein in CSF may indicate demyelination or inflammation of the nervous system, but results alone do not diagnose a condition.

What Does It Mean If My Levels Are High?

High levels of myelin basic protein in CSF may suggest conditions such as multiple sclerosis, optic neuritis, or other inflammatory or demyelinating diseases of the central nervous system. Your provider will consider these findings alongside other tests and clinical information to guide diagnosis and treatment.