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Toxigenic Clostridium difficile by LFA with Reflex to PCR, Stool
3001801
Ordering Recommendation
Mnemonic
CDIFF LFA
Methodology
Qualitative Enzyme Immunoassay/Qualitative Polymerase Chain Reaction
Performed
Sun-Sat
Reported
Within 24 hours
New York DOH Approval Status
This test is New York DOH approved.
Submit With Order
ARUP Consult®
Disease Topics
Specimen Required
Patient Preparation
 
Collect
Stool. 
Specimen Preparation
Transfer 5g stool to a clean, unpreserved transport vial (ARUP Supply# 40910) available online through eSupply using ARUP Connect™ or contact ARUP Client Services at (800) 522-2787. (Min: 1g) 
Storage/Transport Temperature
Refrigerated. Also acceptable: Frozen. 
Unacceptable Conditions
Specimens preserved in Cary Blair/C&S media, formalin-based fixative (eg, Formalin, SAF) or alcohol-based fixative (eg, PVA, Totalfix, Alcorfix, etc). 
Remarks
 
Stability
Ambient 2 hours; Refrigerated 72 hours; Frozen 2 weeks 
Reference Interval
Not Detected
Interpretive Data
Refer to report

Note
If C. difficile GDH antigen is detected by LFA but C. difficile toxin is not detected, C. difficile tcdB gene by PCR will be performed, additional charges apply.
Hotline History
View Hotline History
CPT Code(s)
87324, 87449; if reflexed add 87493
Components
Component Test Code*Component Chart NameLOINC
3001805Toxigenic C. difficile Interpretation34712-0
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases
  • C diff
  • C diff antigen
  • C diff toxin
  • Cdiff
  • Clostridioides difficle
  • Clostridium difficile