Date:
September 10, 2024
Category:
Clostridium difficile GDH + Toxin A + Toxin B Combo Rapid Test
This rapid test detects Clostridium difficile antigens (GDH, toxin A and toxin B) in human stool. Clostridium difficile can cause infections ranging from mild diarrhoea to severe colitis, which can be life-threatening. Infection is caused by two toxins, toxin A and toxin B, which are produced by certain strains of the bacterium. The enzyme GDH is used as a marker in the study because all strains of Clostridium difficile produce large amounts of it. This test helps to rapidly detect the presence of these harmful toxins for the diagnosis of C. difficile infections.
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What is this test?
The combination stool test detects Clostridium difficile glutamate dehydrogenase (GDH) and toxins A and B. GDH indicates the presence of the bacterium, while the toxins indicate an active toxigenic infection. It is used in hospitals and infection control as an aid in the evaluation of antibiotic-associated diarrhea.
Technical information
- Method
- Lateral flow chromatographic immunoassay
- Result in
- 10 min
- Storage temperature
- 2–30 °C
- Shelf life
- 24 months
- Sensitivity
- 95.1–98 %
- Specificity
- 95.5–97.8 %
- Accuracy
- 95.3–97.9 %
- Equipment
- Not required – visual reading
- Compliance
- CE-marked in vitro diagnostic device
Variants and order codes
| Code | Specimen | Format | Pack size | Accuracy |
|---|---|---|---|---|
| AF-9QCYDG | Feces | Cup | 1 / 10 tests | 97.9 % |
| AF-T8FTWX | Feces | Cassette | 10 tests | 95.3 % |
Accuracy, sensitivity and specificity
| Clostridium difficile GDH | Accuracy: 95.3% | Sensitivity: 95.1% | Specificity: 95.5% |
| Clostridium difficile Toxin A | Accuracy: 96.0% | Sensitivity: 94.3% | Specificity: 97.2% |
| Clostridium difficile Toxin B | Accuracy: 94.7% | Sensitivity: 91.8% | Specificity: 96.6% |