| Ordering Code | 7123 |
|---|---|
| Test Name | C difficile GDH/Toxin reflex NAAT |
| Alias | Clostridium difficile EIA with reflex to Nucleic Acid Amplification Clostridium difficile GDH with C. difficile toxin with reflex to Nucleic Acid Amplification C. difficile Antigen with reflex to |
| Preferred Specimen | Stool, unpreserved |
| Preferred Container | Clean Container |
| Optimum Volume | 5 gm |
| Collection Instructions | It is recommended that only one non-formed stool specimen is sent for testing and limited to one sample per patient |
| Transport Requirements | Oahu: Refrigerated Airline: Refrigerated If specimen is transported >1 day after collection, specimen must be frozen |
| Specimen Stability | Ambient: 1 Hour Refrigerated: 2 Days Frozen: 5 Days |
| Rejection Criteria | 24 hour collection, Barium stool, Formed stool, Meconium stool, Rectal swab, Specimen older than stability limits, Stool in preservative, Stool received in tissue or diaper, Stool in transport solution, Stool contaminated with urine |
| Avail. Stat | NO |
| Analytic Time | 2 Days |
| Methodology | EIA testing for C. difficile antigen and C. difficile toxin |
Reference range(s)
The reference ranges listed below are valid on this date of June 24, 2025.
| Component | Age | Male Norm | Male Critical Low | Male Critical High | Female Norm | Female Critical High | Female Critical Low | Units | Add'l info |
|---|---|---|---|---|---|---|---|---|---|
| C. difficile GDH Antigen | ALL | NEGATIVE | NEGATIVE | ||||||
| C. difficile Toxin A/B | ALL | NEGATIVE | NEGATIVE |