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Order Code LABCDIFP C. difficile, Molecular Detection

Useful For

Rapid diagnosis of Clostridium difficile-associated diarrhea (CDAD)

Specimen Requirements

Submit only  of the following specimen:

 

Specimen Type: Unpreserved, fresh liquid or soft stool

Container/Tube: Screw-capped, sterile container

Specimen Minimum Volume: 1 g

 

Specimen Stability

Specimen Type Temperature Stability           
Unpreserved Stool Ambient 48 hours
  Refrigerated 4 days

Rejection Criteria

  1. Formed stool specimens, unless ileus is present. Specimens that do not conform to the shape of the container or that can support an applicator stick (flag pole test). 
  2. Replicate testing within 7 days of a negative result.
  3. Replicate testing within 10 days of a positive result.

Reference Values

Negative for toxigenic C. difficile

Day(s) Test Set Up

  • Inpatients: Batched at 9AM and 1PM, Monday through Sunday
  • ED and Outpatients: ASAP, Monday through Sunday

Performing Laboratory

Ridgeview Medical Center Laboratory

Methodology

Molecular Assay, Isothermal Amplification

Test Classification and CPT Coding

87324

Reporting Title

C. difficile, Cytotoxigenic DNA