<qa>  What is the erythrocyte sedimentation rate?Prior to the FMT procedure stool samples will be checked for ova and parasites, C. difficile toxin and fecal calprotectin. Serum tests will include erythrocyte sedimentation rate ESR, C-reactive protein CRP, Anti-nuclear antibodies ANA, complete blood cell count, HIV, screening for Hepatitis A, B, C hep A IgM, hep B surface antigen and antibody, Hep C antibody, and creatinine. Eight days before treatment, patients will take a 5 day course of rifaximin that is discontinued 3 days before FMT treatment. 