My adult son saw a primary care physician because of symptoms - gas, bloating, diarrhea, constipation, etc. The doctor ordered blood tests. The report reads:
Endomysial Antibody IgA01 Negative
tTG IgA01 3 U/ml
Immunoglobulin A, Qn, Serum01 188 mg/dL
This report was accompanied by a letter saying, "You have celiac disease and should follow...