The first step: is a complete history, physical examination and basic lab tests (Blood Count, Chemistries) There is no BLOOD SCREENING test for these disease. A stool examination may be helpful( testing for occult blood) Routine genetic testing (HLA chromosomes etc) is NOT recomended. The next step for most Gastroenterologists is ENDOSCOPY (Lower and Upper) which can be done in ONE session (painless nowadays) Z
Answered 11/1/2015
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