Escherichia coli O157, Culture
Test code
CPT code(s)*
Test resources
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Details
Includes
If culture is positive, an identification will be performed at an additional charge (CPT code(s): 87077).
Antibiotic susceptibilities are only performed when appropriate (CPT code(s): 87186).
Methodology
Culture and Serologic Confirmation
Alternative name(s)
E. coli,Escherichia coli Shiga Toxins, EIA, Stool
Specimen requirements | |
|---|---|
| Patient preparation | None Specified |
| Preferred specimen(s) | Stool collected in Cary-Blair stool culture transport medium |
| Alternative specimen(s) | Rectal swabs in Amies or Cary-Blair stool culture transport medium |
| Minimum volume | 1 gram or 1 mL |
| Collection instructions | Collect in clean, dry container and then transfer a minimum of 1 gram or 1 mL into a Cary-Blair stool culture transport medium. Fluid level should reach line on vial. |
| Transport container | Cary-Blair stool culture transport medium |
| Transport temperature | Room temperature |
| Specimen stability | Stool or swab in Cary-Blair Room temperature: 4 days Refrigerated: 4 days Frozen: Unacceptable Swab in Amies Room temperature: 48 hours Refrigerated: 48 hours Frozen: Unacceptable |
| Reject criteria | Unpreserved at any temperature • Frozen specimens in Cary-Blair stool culture transport medium • Expired transport medium • Specimen in diaper or parisitology transport vial |
Reference ranges are provided as general guidance only. To interpret test results use the reference range in the laboratory report.
*The CPT codes provided are based on AMA guidance and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.
This material contains content from LOINC® (http://loinc.org). The LOINC Table, LOINC Table Core are copyright © 1995-2019, Regenstrief Institute, Inc. and the Logical Observation Identifiers Names and Codes (LOINC) Committee and is available at no cost under the license at http://loinc.org/license.
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