Mar 6, 2024 · There are four laboratory tests used to diagnose Clostridioides difficile infection or CDI. Hospitals are required to report C. diff infections. FDA-approved PCR assays are same-day tests …

Detection of the toxins produced by C difficile (rather than culture of the organism) is important in the determining therapy of this potentially fatal disease.

For diagnosis of toxigenic C. difficile, current practice guidelines from the CDC recommend confirmation by Nucleic Acid Amplification Testing (NAAT) if the glutamate dehydrogenase of C. difficile (GDH) …

1 day ago · Learn the clinical triggers for C. diff testing, how multi-step lab algorithms function, and the critical difference between active infection and colonization.

Sep 30, 2025 · The test is done to see if diarrhea that won't go away was caused by Clostridioides difficile (C. diff) toxins.

Rarely, to help confirm a diagnosis of C. difficile infection, a health care provider might check the inside of the colon. Tests used are either flexible sigmoidoscopy or colonoscopy. The tests involve putting a …

In this post, I’ll break down how C. diff testing works, why it can be confusing, and where you can go for a more in-depth explanation. Not all C. diff tests are created equal. Some tests look for the bacteria, …

Diagnosing the presence of toxigenic Clostridioides difficile. For information see Laboratory Testing for Infectious Causes of Diarrhea. Enzyme Immunoassay (EIA)

Nov 9, 2021 · Clostridium difficile (C. diff) tests identify these bacteria and the toxin that cause diarrhea linked to antibiotic use.

Sep 30, 2025 · This test usually doesn't cause any pain or discomfort. There is a chance you can spread the infection if you don't wash your hands well when you collect the stool sample. There are several …