I have been in contact with the Mayo Clinic laboratory about this and they are firm in their resolve not to report out index values, although they do have them. What that means, essentially, is that anyone who has a positive on the Mayo Clinic IgG test needs either a western blot or they need to do a test at Quest or labCorp, which report out index values. Then, if the index value is low, they need a western blot. Very very frustrating
Terri