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Trypsin and Chymotrypsin

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Formal name: Stool Trypsin and Chymotrypsin

At a Glance

Why Get Tested?

To help detect cystic fibrosis (in newborns and infants); sometimes to detect and evaluate pancreatic insufficiency (in children and adults)

When to Get Tested?

When your newborn or infant has symptoms of cystic fibrosis such as persistent diarrhea, foul-smelling bulky greasy stools, malnutrition, and vitamin deficiency; when you or your child has these symptoms and pancreatic insufficiency is suspected

Sample Required?

A fresh stool sample, uncontaminated with urine

Test Preparation Needed?