Unformed (soft or liquid) stool/feces specimens
Send to laboratory immediately. Freeze if there is a delay in transport. If the specimen is refrigerated or frozen, transport on ice.
1 hour at room temperature; 1 to 24 hours refrigerated; if more than 24 hours, specimen must be frozen.
If specimen is refrigerated or frozen it must be transported on ice.
Patients < 12 month of age
Washings (i.e. colonic or duodenal) due to dilution factor. Specimens containing barium. Specimens submitted on swabs or in diapers.
7 days a week
Within 2 hours of receipt in the Microbiology Laboratory
Loop-mediated isothermal DNA amplification (LAMP) technology [illumigene®) used for confirmation of specimens indeterminate by GDH screen (laboratory orderable only)
87324 (GDH antigen screen); 87493 (illumigene®)
GDH antigen screen - membrane enzyme immunoassay
C.difficile toxin testing on stool from patients less than 12 months of age will ONLY be performed following a Gastroenterology consult and a verbal request from the GI service to the Microbiologist on service PRIOR to collection of the specimen.