Personally we have not done this but it seems quite a few on this forum are, so thought this might be interesting. Someone said they had IVIG covered after doing this test. The article does seem more related to ASD but has some interesting observations. Anne Connolly--"This lab tests for antibodies to brain endothelial cells. If positive, it indicates an inflammatory response in the brain." Http://www.icdrc.org/documents/Anne Connolly article 1.pdf