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Clostridium difficile Toxigenic bacterial DNA, Feces
MessageSpecimen must be received in the Lab by 11AM to be tested the same day. Day(s) Test Set Up Daily
Test Code
CDIFF
CPT Codes
87493
Preferred Specimen
2 g Fresh stool
Instructions
1. Collect a fresh, liquid stool specimen directly into a sterile, leakproof container. 2. Or. Place a toilet cap or piece of clean wax paper over the toilet seat. 3. Transfer the specimen to the sterile container. Note: Avoid recent antibiotics, x-ray contrast material, antidiarrheal medications, antacids, bismuth, or oil instillation. And because of increased sensitivity and specificity of this test method, repeat testing during the same episode of diarrhea (C-Diff x 3) is not needed or required.
Transport the specimen to the Lab without delay.
Transport the specimen to the Lab without delay.
Transport Container
Sterile, leakproof container
Transport Temperature
Refrigerate
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Stool/feces contaminated with urine. Received in preservative. Solid stool.
Methodology
Molecular assay
Setup Schedule
Daily after 11am
Reference Range
Not Detected
Clinical Significance
Useful for the detection of the Clostridium difficile Toxin A gene (tcdaA) in unformed stool samples of patients having Clostridium difficile-associated disease. Clostridium difficile has been associated with colitis secondary to antimicrobial therapy.
Last Updated: June 28, 2018
