Crohn’s & Colitis Glossary



A small piece of tissue provided to a pathologist to help diagnose and classify disease.


Biosimilar therapies

Medications that are designed to be near-identical copies of FDA-approved biologic therapies.

Complication / Symptom


A partial or complete obstruction or closing off of the small or large intestine that keeps food, liquid, gas, and stool from moving through the intestines in a normal way.


Bowel resection

A surgical procedure to remove a portion of your small or large intestine, that has been damaged by Crohn’s disease.


C-reactive protein (CRP)

A blood test that measures inflammation in the body but doesn’t tell us whether the inflammation is linked to IBD or might be caused by something else, like a bacterial infection.

Complication / Symptom


A medical condition that lasts longer than a year, requires ongoing medical attention, and may limit your day-to-day activities.

Blue dollar sign


A request for payment submitted to your health insurance plan for services you received.

Complication / Symptom

Clinical remission

Absence of symptoms. The patient feels well.

Blue dollar sign


Your share of the costs of certain medical care or medications, calculated as a percentage of the total cost. For example, if the health insurance planallowed amount for an office visit is $100 and you've met your deductible, your coinsurance payment of 20 percent would be $20. The health plan pays the rest of the cost.



The surgical removal of the colon.