--back when I had all these done, in 2003-2004, the specific nerve antibody tests--for the GD, GQ, anti-sulfatide, etc., antigens--were all ELISA (says so right on the test results page, all of which I have). I had the less specific ganglioside agglutinin test for gross autoantibody activity at Latov's office--that's the one I had the mild positive on.

It is possible this may have changed (again, I would think, due to cost considerations).