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Clostridium difficile and C. difficile Toxin Testing

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Also known as: C. difficile; C. diff; C diff antigen; GDH
Formal name: Clostridium difficile Culture; C. difficile Toxin, A and B; C. difficile Cytotoxin Assay; Glutamate Dehydrogenase Test
Related tests: Stool Culture; O&P

At a Glance

Why Get Tested?

To detect the presence of an infection caused by toxin-producing Clostridium difficile bacteria

When to Get Tested?

When a person has mild, moderate, or severe diarrhea that persists for several days with abdominal pain, loss of appetite, and fever, following antibiotic therapy

Sample Required?

A fresh or refrigerated liquid or unformed stool sample that has not been contaminated with urine or water

Test Preparation Needed?