A lumbar puncture (spinal tap) is a common test doctors use to check for signs of MS in your spinal fluid. But a lumbar puncture on its own isn’t enough to confirm an MS diagnosis. Diagnosing multiple ...

A lumbar puncture is sometimes called a “spinal tap.” It’s a medical procedure that can involve collecting a sample of cerebrospinal fluid (CSF). CSF is the fluid that surrounds your spinal cord and ...