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. Author manuscript; available in PMC: 2015 Feb 1.
Published in final edited form as: Clin Gastroenterol Hepatol. 2013 Oct 6;12(2):283–288. doi: 10.1016/j.cgh.2013.09.060

Blood Stool

HIV ELISA, type 1 and 2 Clostridium difficile toxin by PCR

HAV IgM Routine bacterial culture for enteric pathogens (E.
coli, Salmonella, Shigella, Yersinia,
Campylobacter)

HBsAg, anti-HBc (both IgG
and IgM), and anti-HBs
Culture for Listeria monocytogenes and Vibrio
(parahaemolyticus and cholerae)

HCV Ab Cryptosporidium antigen

RPR Acid-fast stain for Cyclospora and Isospora

Giardia antigen

Ova and parasites

Rotavirus via EIA