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C. difficile DNA Amplification

Important Note

Do not repeat negatives for 7 days.  Do not repeat positives for 10 days.

Additional Codes

CDFFM

Specimen Requirements

Place loose or watery stool in a clean container and deliver to the lab ASAP.  Refrigerate specimen if there is a delay in transport to lab.  FORMED STOOLS, DIAPERS, SPECIMENS CONTAMINATED WITH URINE ARE UNACCEPTABLE FOR THIS TEST.

Performing Laboratory

Conway Regional Laboratory Services

Reference Values

Negative (reported as positive or negative)

 

Positive Test: 

"In adults, metronidazole is the treatment of choice except in cases of severe infection or therapeutic failure."


Negative Test:

"C. difficile molecular tests are highly sensitive.  Empiric therapy for patients with diarrhea and negative C. difficile tests should be avoided."


Invalid Test:

"This specimen has been tested x2 with invalid results.
Possible interferring substance present.  Please resubmit an additional specimen if clinically indicated."

Methodology

DNA Amplification method.  LAMP technology by illumigene.

Day(s) Test Set Up

Batched once daily.

Test Classification and CPT Coding

87493