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HelpCatalog ID Cul Stool VTEC E. coli O157:H7 Stool Culture
CPOE Test Name
Stool Culture for E coli O157
Specimen Type
Stool
Specimen Requirements
Stool preferred. Rectal swab accepted when stool cannot be collected.
Storage and Transport
Ambient temperature and transport to Microbiology Laboratory within 1 hour.
Causes for Rejection
Use of non sterile container; delay in transport; improper labeling; leaking specimen; insufficient quantity; patient in hospital > 3 days
Reference Range
No E. coli O157 isolated.
Critical Values
positive cultures
Test Consists
E. coli O157 culture on selective medium only. Should be ordered with Routine Stool Culture to rule out other causes of diarrhea.
Turn Around Time
Final negative report in 48-72 hours.
Performing Lab
Microbiology BA-1672 721-2807
Methodology
Culture on selective and non-selective media.
CPT / HCPCS Code
Culture 87046; identification 87077