brain, spinal cord, and nerve disorders
Multiple Sclerosis (MS)
Additional testing
A diagnosis of multiple sclerosis may be clear based on current symptoms, a history of relapses and remissions, the physical examination, and MRI. If not, other tests are done to obtain additional information: Spinal Tap (lumbar puncture): Evoked Responses : Other tests can help doctors distinguish multiple sclerosis from disorders that cause similar symptoms, such as Acquired immunodeficiency syndrome (AIDS) , Blood tests to measure an antibody specific for Neuromyelitis Optica Spectrum Disorder (NMOSD) spectrum disorder may be done to differentiate that disorder from multiple sclerosis. 