<<Disclaimer: Verify this information before applying it to your situation.>> My 3-year-old son was biopsy-diagnosed almost a year ago. We went back to the GI dr. 3 months after going GF for just a general check up, at which time he had gained weight quite well. The dr. was pleased with his progress. At that time, our plan was to have the blood testing done after he had been GF for about a year and then when the blood levels were back to normal, to do another biopsy. Now for my questions...when I called today about getting the blood work set up, they told me the dr. wanted a tTG test and no other blood work. I know the tTG is supposed to be good, but I thought it was usually used in conjunction with the IgA and IgG. Is the tTG by itself adequate? Also, it seems that there is no "standard" course of care with Celiac (and other diseases I'm familar with, too), but does the second biopsy seem like a reasonable thing to do? I don't object to doing it. I think it might give me some peace of mind that Kevin really is doing well, but I wonder how necessary it is. Thanks, Tracey Wolfskill mom of Kevin 3yo w/Celiac and Brian 7yo noCeliac Fort Worth, TX, USA