Simple testing: Lactose intolerance can be objectively assessed by breath testing or subjectively by response to lactase replacement or lactose avoidance/then reintroduction. Serum testing to tissue transglutaminase antibody and/or anti-endomysial antibody are sensitive markers for gluten sensitive enteropathy. These markers can also assess a celiac patient's compliance with gluten avoidance.
Answered 7/9/2012
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