Next Test to Rule Out Celiac Disease?

Next Test to Rule Out Celiac Disease?

A 31-year-old woman had intermittent abdominal cramping for years; the cramping has improved with a gluten-free diet. The patient has been following this diet for about 1 year. She is now inquiring whether she has celiac disease. Which of the following tests should be ordered next to rule out celiac disease?

A. Tissue transglutaminase (tTG)
B. Duodenal biopsies
C. Human leukocyte antigen DQ2/DQ8
D. Capsule endoscopy

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