<<Disclaimer: Verify this information before applying it to your situation.>> Hi all, My 2 and 1/2 year old son, Grant, got his blood screening results back today and I am confused. The reticulin IgA and the gliadin IgA showed normal. The IgG was elevated however. The doctor has concluded that there is not enough evidence to support his being Celiac. What do you think since the IgG was elevated (double the normal amount, I believe)? Also, she did not send it to one of the labs that you all recommended. It went to Dallas then some place in North Carolina. I know I have read where some of these tests are subjective, but I don't know if it is IgA or IgG that is subjective. The dr. said that neither is subjective. Does anybody know? I have heard that blood can be sent to an inexperienced lab and produce a negative, then the same blood to an experienced lab and produces positive. She also said that the test is 97-100% reliable in testing for Celiac and I know I have read that it can produce a false negative 20-50% of the time. Another thing that is telling is that his alklaline phosphatate level has dropped almost 1,000 points in the last two weeks while he has been gluten free. She had no explanation for that. It was 1,300 two weeks ago (which is damage equal to that of a bone fracture in either liver, bones or intestines). He was on gluten at that time. Today, after being gluten free for two weeks, it was down to 437. Many of you have said your alkaline phos. was also elevated when you were on gluten. He has improve tremendously since being on the gf diet even though there are occasional lapses. At least it is not diarrhea all of the time like it has been before he was gf. He has also gained a couple of pounds in just a couple of weeks whereas he has not gained weight in eight months or more prior to trying the diet. I am going to leave him gf anyway. We also have an appointment for another opinion with a more experienced pediatric GI June 22. If anyone has any thoughts or ideas that might be helpful to us, please share them. I still think my son has Celiac. If not Celiac, something is wrong. Regards, Melinda