Clostridium difficile Toxin B, Qualitative, Real-Time PCR

Test Code
16377


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


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



The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.