That sounds like a nightmare. I'm being pressured by my gastro to do endoscopy and a small bowel follow-through (upper GI series), so it's interesting that yours turned up nothing! And he sent me to an ID (infectious disease specialist), who sent me for serology -- a bunch of blood tests and MORE stool samples. It seems endless, and it's exhausting. The serology results will take 4 weeks.
It's amazing that RHR was able to accomplish what all else couldn't. Do they recommend a protocol or course of treatment?