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HelpTest Code CDIFF Clostridium difficile Toxins A & B
Specimen Information
| Container | Specimen | Temperature | Collect Vol | Submit Vol | Min Vol | Stability |
| Sterile | Unformed Stool | Refrigerate | 4 mL | 1.0 mL |
1.0 mL |
72 hours |
| Sterile | Unformed Stool | Frozen | 4 mL | 1.0 mL | 1.0 mL | 3 Days |
Optimal results for this test are obtained with specimens <24 hours old.
Freeze specimens at ≤ -10 if testing can not be performed within 72 hours.
Reject Due To:
- Above criteria not met
- Formed specimen
- Specimen unlabeled or mislabeled
Instrumentation / Method
Manual / Membrane Enzyme Immunoassay
Reference Range
Negative
A positive antigen indicates the presence of C. diff.
A positve antigen and toxin indicataes to presence of C. diff.
A confirmatory PCR C. diff will be reflex ordered for indeterminate or invalid results.
Alert Value: Positive
Test Schedule / Analytic Time / Test Priority
Daily / Same Day / Available STAT
CPT / LOINC
| Meditech | Medent | LOINC | CPT |
| CDIFF | CDIFF |