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C Difficile Screen by PCR
MessageFormed or hard stool will be rejected. Repeat testing of previously positive patients not recommeded.
Test Code
CDSPCR
Alias/See Also
C difficile toxin A/B screen by PCR
CPT Codes
87493
Preferred Specimen
Liquid or soft stool
Minimum Volume
5 mL
Instructions
Collect fresh stool in sterile, plastic, leakproof container without medium, preservative, or metal ion. For patients requiring the use of diapers, first line the diaper with clean plastic to prevent absorption. Then transfer 5 g or 5 mL of the stool specimen from the plastic lined diaper to the sterile container. Do not submit the diaper itself. Cap securely. Do not use M4 transport medium. Do not use any preservative, transport medium, or additive.
Transport Container
Sterile, leak proof container
Transport Temperature
Room temperature
Specimen Stability
3 days at 4ÂșC
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Formed or hard stools, swab specimens
Methodology
Detects gene for C. diff toxin
Setup Schedule
When received from 6:00 am to 9:00 pm.
Report Available
2 to 12 hours
Limitations
Fecal specimens submitted in any preservative cannot be evaluated.
Last Updated: November 28, 2023