Clostridioides (Clostridium) difficile Culture


Sunquest Code:CDF  
Epic Code:LAB3367Epic Name:C difficile Culture
Methodology:Culture
Turnaround Time:Performed daily; results are reported within 2 days.
Special Instructions:
Clostridioides (Clostridium) difficile Toxin B by PCR (LAB4565) is the preferred and most sensitive assay. Culture will be done by special request only. See separate Lab Guide entry: Clostridioides (Clostridium) difficileToxin B PCR.  


Collection Instructions

Specimen:Feces; liquid or semi-soft
Optimal Volume:3 mL
Minimum\Peds Volume:2 mL
Container:Plastic leakproof container, sterile
Collection Instructions:Anaerobic collection containers are not required. Note: Only one specimen accepted per 24 hour period.
Causes for Rejection:Formed stools are not acceptable. Rectal swabs are not acceptable. Feces collected in preservative are not acceptable.


Processing and Shipping

Specimen Processing:Store in refrigerator. Freeze specimen if not transported the same day.
Shipping Instructions:Ship at refrigerated temperature. Must arrive within 24 hours. Alternatively, ship frozen on dry ice if longer than 24 hours. If frozen, specimen must arrive within 72 hours.
Test Performed at or Referral Lab Infectious Diseases Diagnostic Laboratory  (UMMC-East Bank)


Interpretive

Reference Range:
No growth of C difficile.
Clostridioides (Clostridium) difficile Toxin B by PCR (LAB4565) is the preferred and most sensitive assay. Culture will be done by special request only. See separate Lab Guide entry: Clostridioides (Clostridium) difficile Toxin B PCR.


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