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Clostridium difficile Toxin B, Qualitative, Real-Time PCR
Test Code16377
CPT Codes
87493
Preferred Specimen
5 mL unpreserved stool collected in a sterile leak-proof container.
Minimum Volume
1 mL
Other Acceptable Specimens
Instructions
Transfer liquid or soft stool (but not urine) into the container. Avoid mixing toilet paper, or soap with the sample. Store sample refrigerated until shipment.
Transport Temperature
Frozen
Specimen Stability
Room temperature: Unacceptable
Refrigerated: 5 days
Frozen: 30 days
Refrigerated: 5 days
Frozen: 30 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Specimen other than liquid or semi-formed stool • Stool in preservative or mixed with urine • Specimen in wrong transport container
Methodology
Real-Time Polymerase Chain Reaction
Setup Schedule
Set up: Mon-Sat; Report available: 1 day
Reference Range
Not detected
Clinical Significance
C. difficile is the major cause of antibiotic-associated diarrhea (AAD) and pseudomembranous colitis.
Performing Laboratory
Quest Diagnostics Nichols Institute
14225 Newbrook Drive
Chantilly, VA 20153