Clostridioides difficile PCR*
Specimen Requirements
-
Specimen Type: Only liquid/unformed stools are acceptable
- Container/Tube (Preferred): Sterile cup/container with a secure lid
- Acceptable: Liquid/unformed stools
- Specimen Volume: 0.5 mL
- Specimen Minimum Volume: 0.5 mL
- Specimen Stability: 48 hours
- Collection Instructions: Pass liquid or soft (assumes shape of container) stool directly into a clean, dry container.
Specimen Stability
Refrigerated up to 48 hours
Reference Values
Negative
Results called on all inpatients/institutional residents. All outpatients results called during business hours only
Day(s) Performed
Daily
Analytical Time:
1 day
Performing Laboratory
Rutland Regional Medical Center Laboratory
Methodology
DiaSorin Molecular Simplexa™
Test Classification and CPT Coding
CPT: 87493
LOINC: 34713-8
Special Instructions
- Patient should be passing ≥5 stools per 24 hours with liquid or soft consistency.
- Submit on 1 specimen per 7 days.
- If a patient is positive for C. difficile, no additional specimens will be accepted for 10 days.
- This assay is not approved to test for cure since nucleic acids may persist after effective treatment.
- Up to 50% of neonates may be colonized with toxigenic C. difficile. Testing of children less than 1 year of age is not recommended.