Hi,
ganglionic Acetylcholine receptors antibodies is a blood test for Autoimmune autonomic ganglionopathy - .
It can be done at Oxford labs http://www.ouh.nhs.uk/immunology/dia...ntibodies.aspx
"Their presence suggests an immunotherapy-responsive condition - Vernino S. et al., NEJM 2000:343 847-855"

Or as a part of the paraneoplastic evaluation at Mayo http://www.mayomedicallaboratories.c...rpretive/89904