What Is Clostridium difficile?
What it is
C. difficile GDH + toxin A/B
Why it matters
Screens and confirms C. difficile infection (two-step).
Specimen
Feces
Interpretation
GDH sensitive; toxin confirms toxigenic
Limitations
GDH alone not specific
Related test: C. difficile Toxin A+B Rapid Test — specimen: Feces
Last reviewed: 2026-09-12