Oligoclonal Bands IgG

CSF stands for cerebrospinal fluid. IgG stands for immunoglobulin G. It is a type of antibody. Antibodies are proteins that your immune system makes to fight germs. A CSF IgG index measures the levels of IgG in your cerebrospinal fluid.

A CSF IgG index is used to check for diseases of the central nervous system. It is often used to help diagnose multiple sclerosis (MS). MS is a chronic (long-lasting) autoimmune disorder that attacks the outside covering of your nerves.