"to Be Or Not To Be"

[Gluten=bad]

Hi all, I am faced with a situation that I'm sure many of you have faced before. I've been gluten-free faithfully for over a month now but am still having stomach issues (mainly D) and an itchy rash on my back. Could be DH or doctor thinks possibly Tinea Versicolor. So anyways, my doctor is sending me to a GI for the continued diarrhea and a dermatologist for the rash. I only wish I had had these appointment before going gluten-free because I have read that getting a biopsy is the "gold standard" for diagnosing Celiac disease. I have already had blood work including the gene test which came back positive; that was when the doctor told me to go gluten-free. I have felt better; however, not completely symptom free. My doctor also wants me to try an elimination diet for four weeks and not eat any dairy, wheat, soy, corn, or peanut products. My question is if I go on this diet what will be the point in seeing the Dermatologist or GI supposing that my symptoms improve? Should I go back to eating gluten until after these appointments? I see the dermatologist on May 19th and have no doubt that the rash will still be there if going back on gluten, but what about the GI? Any advice would be great appreciated. Obviously feeling better is my number one goal, but I would like to have an official diagnosis if you know what I mean.