Rejection of a Stool Specimen for Clostridium difficile Testing

Is the stool formed?

Is the patient is symptomatic?

Has a stool specimen already been tested during the same clinical episode?

Is testing being done to confirm cure?

Is there a problem with the type of specimen or how it was handled?

Is ileus suspected?

Does the physician suspect that an initial specimen may have been suboptimal or that a false negative occurred?

Was the sample collected at colonoscopy?

Is the stool being tested as part of an epidemiologic or research study?