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CLOSTRIDIUM DIFFICILE GDH / TOXIN by EIA w/ REFLEX to PCR

Message
IMPORTANT:  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


The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.