This is a rapid enzyme immunoassay for glutamate dehydrogenase antigen and toxins A & B for the detection of C. difficile in stool specimens.
This test is recommended for Ambulatory ordering locations
C. DIFFICILE ANTIGEN AND TOXIN A/B (LAB257)
Liquid stool, that takes the shape of the container, collected in a clean sterile container. Preferred specimen:
Alternate specimen:
Minimum sample: 3 mL
3 mL of stool in a clean screw top vial or Cary Blair
Refrigerate up to 24 hours. Freeze if testing will not be performed within 72 hours.
Stool sent in other additives. Any non-liquid stool that fails to conform to the shape of the container. Rectal swab.
Negative for C. difficile toxin A/B
Critical Value: Positive for C. difficile Toxin A/B
87449 and 87324
331257 and 331258
Sun-Sat
1-2 days
Enzyme-immunoassay
Microbiology