Reply To: 79 yr old w/symptoms of CIDP – how to be sure?

February 18, 2019 at 11:41 pm

The spinal fluid test mentioned by Jim is routine when GBS or CIDP are suspected. I wouldn’t say it is “definitive,” however. Sometimes the indication can be weak if the illness has not progressed enough. But a good positive is indicative of either GBS or CIDP.