AGA Guidelines for IBS testing

The American Gastroenterological Association has published a set of guidelines for tests which physicians should perform prior to diagnosing Irritable Bowel Syndrome.cite journal |author=Yawn BP, Lydick E, Locke GR, Wollan PC, Bertram SL, Kurland MJ |title=Do published guidelines for evaluation of irritable bowel syndrome reflect practice? |journal=BMC gastroenterology |volume=1 |issue= |pages=11 |year=2001 |pmid=11701092 |doi=] These tests are meant to exclude other causes, such as infection and colon cancer.

United States American Gastroenterological Association guidelines Diagnostic Guidelines for Diagnosis of IBS

#History and physical examination
#Diagnostic testing
##CBC
##Chemistry panel
##Sedimentation rate
##Stool for O & P
##Stool for occult blood
##Flexible sigmoidoscopy
##IF > 50, colonoscopy or barium enema and sigmoidoscopy
##For diarrhea predominant:
###Small bowel radiograph
###Lactose/dextrose H2 breathing test
##For constipation predominant:
###Fiber trial
##For pain predominant:
###Plain film of abdomen

=References=