Clostridium difficile Culture with Reflex to Clostridium difficile Toxin B, PCR : 1005015

Message
Toxin is heat labile. Keep refrigerated. Transport to lab within 48 hours. If longer than 48 hours, freeze and transport frozen.


Test Code
CDIFR or 1005015


Alias/See Also
C. diff culture; C. difficile Culture


CPT Codes
87081

Includes
If Clostridium difficile culture is isolated, then Clostridium difficile Toxin B, Qualitative Real-Time PCR will be performed at an additonal charge (CPT code(s): 87493).


Instructions
Stool (liquid or semi-formed).


Transport Container
Transfer 5 grams or 5 mL stool to an unpreserved screw-capped container.


Transport Temperature
Refrigerated.


Specimen Stability
Stability: Unpreserved Stool: Ambient: Unacceptable; Refrigerated: 48 hours; Frozen: 1 week


Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Received room temperature; Received in Cary-Blair transport; Specimen other than liquid or semi-formed stool; Stool in preservative or mixed with urine; Specimen in wrong transport container.


Methodology
Conventional Culture/ Reflex to PCR

Setup Schedule
Sunday - Saturday


Report Available
4-7 days (From receipt at performing laboratory)


Reference Range
Culture: negative for Clostridium difficile

If reflex to Clostridium difficile Toxin B, PCR: not detected


Clinical Significance
C. difficile causes 50-75% of antibiotic associated colitis and greater than 90% of antibiotic associated pseudomembranous colitis. Pathogenic C. difficile produce two potent toxins, toxin A and toxin B, that cause diarrhea and colitis.


Performing Laboratory
Quest Diagnostics



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.