My son has been having constant belly pain for over a month, been to ER a couple time and they ruled out appendicitis. They sent us to gastro and she ran Celiac test, his tTG IgA came back at 99 (normal less than 15), has EGD and they said “no celiac”. I’m wondering if the doctor didn’t run enough bloodwork or whether they didn’t do something corre t on the ...