Clostridium difficile and C. difficile Toxin Testing

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Also known as: C. difficile; C. diff; C. diff infection (CDI) testing
Formal name: C. difficile Culture; C. difficile Cytotoxin Assay; C. difficile Toxin EIA; Glutamate Dehydrogenase EIA; C. difficile toxin PCR
Related tests: Stool Culture

At a Glance

Why Get Tested?

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

When to Get Tested?

When a hospital patient over 2 years old or an outpatient over 65 years old has acute diarrhoea that has no other obvious cause, especially during or following treatment with antibiotics.

Sample Required?

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

Test Preparation Needed?

None