LAB TEST
Trypsin and chymotrypsin in stool
Trypsin and chymotrypsin are substances released from the pancreas during normal digestion. When the pancreas does not produce enough trypsin and chymotrypsin, smaller-than-normal amounts can be seen in a stool sample. This article discusses the test to measure trypsin and chymotrypsin in stool.
How the Test is Performed
There are several ways to collect the samples. Your health care provider will tell you how to collect the stool. You can catch the stool on plastic wrap that is loosely placed over the toilet bowl and held in place by the toilet seat. Then put the sample in a clean container. One type of test kit contains a special…
How to Prepare for the Test
Your provider will provide you with the supplies needed to collect the stool.
Why the Test is Performed
These tests are simple ways of finding out whether you have a decrease in pancreas function. This is most often due to chronic pancreatitis . These tests are most often done in young children who are thought to have cystic fibrosis . Note: This test is used as a screening tool for cystic fibrosis, but it does not…
Normal Results
The result is normal if there is a normal amount of trypsin or chymotrypsin in the stool.
What Abnormal Results Mean
An abnormal result means the trypsin or chymotrypsin levels in your stool are below the normal range. This may mean that your pancreas is not working properly. Other tests may be done to confirm that there is a problem with your pancreas.
References
Chernecky CC, Berger BJ. Trypsin - plasma or serum. In: Chernecky CC, Berger BJ, eds. Laboratory Tests and Diagnostic Procedures . 6th ed. St Louis MO: Elsevier Saunders; 2013:1126. Forsmark CE. Chronic pancreatitis. In: Feldman M, Friedman LS, Brandt LJ, eds. Sleisenger and Fordtran's Gastrointestinal and Liver…
This is a summary. Read the full article at www.ucsfbenioffchildrens.org (reviewed 30/01/2023).
This page is general information and is not medical advice. It does not replace a registered doctor, and it is not a prescription or a recommendation to use any medicine or test. Prices are listed prices and may change. Always follow the advice of your doctor or pharmacist.