E. COLI SHIGA-LIKE TOXIN

Test Documentation
Specimen Required
Collect stool and place 5.0 g stool (1.0 g minimum) in enteric transport media (Cary-blair) immediately after collection. Transport refrigerated.

Alternate Specimen
Actively growing isolate of E. Coli, in pure culture. Send isolate in a sealed container at room temperature.

Rejection Criteria
Specime or isolates from sources other than stool. Specimens in other preservatives.

Methodology
Enzyme Immunoassay

Stability
Preserved Stool: Room Temperature: 1 hour; Refrigerated: 72 hours; Frozen: 7 days
Isolates: Room Temperature: 7 days; Refrigerated: 7 days; Frozen: Unacceptable

Reference Range
Negative

Performed
Sunday-Saturday

Turnaround Time3-5 days
Test CodeSHIGT
CPT-4 Code (s)
87427
LOINC Codes
21262-1

Warde
Medical
Laboratory