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E coli Shiga Toxin

Test ID: 


CPT code:



E coli O157
EHEC, Stool Culture
Shiga Toxin

Clinical Use:

Detect the presence of Shiga-toxin-producing enterohemorrhagic E coli

Specimen Type:

Stool or rectal swab placed in stool culture transport vial

Requested Volume: 

Rectal swab with obvious stool

Minimum Volume: 

Rectal swab with obvious stool

Container Type: 

Stool culture transport vial; culture collection swab may be used to collect rectal swabs or a swab of fecal material, then swab should be placed in stool culture transport vial

Storage Instructions:

Maintain specimen at room temperature.

Rejection Criteria

Specimen received in grossly leaking transport container; diapers; dry specimen; specimen submitted in fixative or additive; specimen received in expired transport media or incorrect transport device; inappropriate specimen transport conditions (not in a C&S vial or in an overfilled C&S vial); specimen received after prolonged delay in transport (usually more than 72 hours); specimen stored or transported frozen; wooden shaft swab in transport device; unlabeled specimen or name discrepancy between specimen and request label

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