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C.Difficile (Tcdb) Gene By Pcr
MessageDue to increased sensitivity of test method, previous positive patients will not be re-tested on same admission or for outpatient setting, 14 days since initial test. Additionally, patients with negative results will not be re-tested until seven days after initial test result.
For additional information regarding appropriate testing and infection control practices see:
http://www.cdc.gov/HAI/pdfs/cdiff/Cohen-IDSA-SHEA-CDI-guidelines-2010.pdf
Test Code
CPT Codes
87493
Preferred Specimen
Stool
Minimum Volume
Instructions
Liquid or non-formed stool (takes shape of container) only. Transport in sterile container free of preservative.
Transport Container
Sterile container - no preservative.
Transport Temperature
Specimen Stability
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Methodology
Real-Time Polymerase Chain Reaction (RT-PCR)
Setup Schedule
Monday-Friday performed twice daily (morning and evening).
Saturday, Sunday, and holidays performed afternoon.
Report Available
Reference Range
Negative.
Clinical Significance
Clostridium difficile is the major cause of antibiotic-associated diarrhea (AAD) and pseudomembraneous colitis.