Diagnostic Test Directory

Microbiology Laboratory

Shiga/E.coli Toxin Assay

  • LIS Mnemonic: ECT

    Collect

    Stool collected in Enteric Transport Media (ETM) or in a sterile, leak-proof container.

    Volume Required

    1 mL of stool

    Minimum Required

    1 mL of stool

    Transport

    Send to the lab immediately at room temperature

    Stability

    Unpreserved specimens must be received in the lab within 2 hours of collection. Specimens sent in ETM may be received in the lab up to 72 hours after collection.

    Unacceptable conditions

    Specimens should not be refrigerated. Specimens containing barium should not be submitted. Specimens should not be sent on swabs.

Days Performed

Monday-Friday (excluding holidays)

Reported

Within 72 hours of receipt in the lab

CPT

87335

Methodology

EIA