Laboratory Services
C. Difficile, Antigen
Print this pageUpdated Test Information:
| Test Description |
C. Difficile, Antigen
|
|
|---|---|---|
| Synonym(s) |
Stool Toxin, Stool Antigen, Diarrhea, C Diff Toxin, C Diff Antigen, Stool Pathogen, Fecal Pathogen |
|
| Test ID |
CDIFF
|
|
| Performing Lab |
Labcorp |
|
| General Information |
Test to detect the presence of C difficile antigen and toxin from stool |
|
| Specimen Type |
Stool |
|
| Specimen Requirements |
Sterile screw-cap container or stool transport (Para-Pak® white clean vial), no preservative. “Cool Whip” containers, denture cups, or other similar containers often leak or even explode during transport and may be rejected by the laboratory. |
|
| Specimen Collection / Processing Instructions |
Collect fresh (soft/liquid) fecal specimen in clean airtight container or stool transport media (Cary Blair, C&S) |
|
| Minimum Sample Volume |
0.5 g or 0.5 mL liquid stool |
|
| Stability |
72 hours 2-8C, if >72 hours, store frozen |
|
| Unacceptable Specimen Conditions |
Fecal specimen in Formalin-based fixative (O&P fixative) or alcohol-based fixative (PVA). Fecal specimens collected by colonoscopy. Fecal specimen on a swab. Patient <1 year of age. |
|
| Methodology |
Enzyme immunoassay (EIA) |
|
| Estimated TAT |
1-2 days |
|
| Testing Schedule |
Monday-Saturday |
|
| CPT Code(s) |
87324 |
|
| Reference Range |
C.Diff Antigen and Toxin not detected |
|
| Reflex Conditions |
None |
|
| LOINC Code(s) |
34468-9 |
