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

Why Might This Test Be Ordered?

Your healthcare provider may order this test if you have symptoms like numbness, weakness, vision changes, or other neurological issues that could suggest conditions such as multiple sclerosis, neuromyelitis optica, or other demyelinating diseases. It may also be used to monitor disease progression or response to treatment.

What Does a Positive Result Mean?

Elevated levels of myelin basic protein in the CSF can indicate damage or inflammation to the myelin sheaths. While this can be associated with demyelinating diseases, it can also occur in other conditions affecting the nervous system, so results should be interpreted by a healthcare professional in the context of your symptoms and medical history.

Sample Collection and Preparation

A lumbar puncture (spinal tap) is typically performed to collect cerebrospinal fluid. This procedure involves inserting a needle into the lower back to draw fluid into a sterile container. The sample is then sent to the lab for analysis.

What to Expect Before the Test

You may be asked to empty your bladder before the procedure to help reduce discomfort. Wear comfortable clothing, and inform your provider if you have any allergies to medications or local anesthetics. Avoid heavy lifting or strenuous activity for 24 hours afterward to minimize risk of complications.