@burningfeetinphoenix You can also order a punch biopsy kit from Dr Oaklander’s office/lab and have a dermatologist do the biopsy and then have it sent directly to Dr Oaklander’s lab at Mass General Hospital. I think all the information is on the neuropathycommons.org website. This is the method we used to diagnose my son’s SFN. It does not mean they’ll take you on as a patient, but you may feel better about the accuracy of the results? Just a thought