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CLOSTRIDIUM DIFFICILE GDH / TOXIN by EIA w/ REFLEX to PCR
MessageIMPORTANT: Do NOT send only one stool sample in transport media due to PCR requirements. If ParaPak kit is used, please send sample in BOTH containers.
Test Code
CDF2
Alias/See Also
C diff; C. diff; C difficile; C. difficile
CPT Codes
87324; 87449; 87493 if reflexed
Includes
- C. difficile GDH antigen
- C. difficile Toxin A/B
Preferred Specimen
Sterile container with screw top lid
Minimum Volume
2 mL
Other Acceptable Specimens
If ParaPak kit is used, MUST send both containers.
Instructions
None
Transport Temperature
Refrigerate
Specimen Stability
- 2-8°C up to 72 hours
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
The following conditions will result in a rejected specimen:
- Single sample submitted in transport media
- Sample submitted in formalin
- Sample submitted in alcohol-based fixative
- Formed stool
Methodology
EIA (Fluorescent Immunoassay)
Setup Schedule
M, Tu, W, Th, F, Sa, Su
Report Available
Report available within 24 hours of receipt at the performing laboratory.
Reference Range
Negative for C. difficile antigen and toxin nucleoprotein antigen by FIA
Performed By
Alverno Laboratories
Performing Laboratory
Alverno Central Lab
NMIC (Microbiology)
Last Updated: December 31, 2024