Ordering RecommendationRecommendations when to order or not order the test. May include related or preferred tests.
Test detects the Shiga toxins, sensitive markers of toxigenic Escherichia coli. CDC recommends stool specimens also be cultured for E. coli O157:H7 (O157 STEC).
MnemonicUnique test identifier.
ECSLT AG
MethodologyProcess(es) used to perform the test.
Qualitative Enzyme Immunoassay
PerformedDays of the week the test is performed.
Sun-Sat
ReportedExpected turnaround time for a result, beginning when ARUP has received the specimen.
Within 2 days
New York DOH Approval StatusIndicates test has been approved by the New York State Department of Health.
This test is New York DOH approved.
Specimen Required
Patient Preparation
Collect
Stool. OR actively growing isolate of E. coli, in pure culture.
Specimen Preparation
Stool: Place 5 mL stool in enteric transport media (Cary-Blair) (ARUP Supply #29799) immediately after collection. Available online through eSupply using ARUP Connect™ or contact ARUP Client Services at (800) 522-2787. (Min: 1 mL) E. coli Isolate: Transport sealed container with pure culture on agar slant or on a swab in bacterial transport media. Place each specimen in an individually sealed bag.
Storage/Transport Temperature
Stool: Refrigerated. E. coli Isolate: Room temperature.
Unacceptable Conditions
Specimens or isolates from sources other than stool.
Remarks
Stability
Stool in Transport Media: Ambient: 1 hour; Refrigerated: 72 hours; Frozen: 1 week E. coli Isolate: Ambient: 1 week; Refrigerated: 1 week; Frozen: Unacceptable
Reference IntervalNormal range/expected value(s) for a specific disease state. May also include abnormal ranges.
Negative
Interpretive DataBackground information for test. May include disease information, patient result explanation, recommendations, details of testing, associated diseases, explanation of possible patient results.
By report.
Compliance Category
FDA
NoteAdditional information related to the test.
This test will identify the presence of E. coli Shiga-like toxin, however it cannot determine specific of strains of E. coli. (e.g., E. coli O157:H7)
Hotline History
N/A
CPT CodesThe American Medical Association Current Procedural Terminology (CPT) codes published in ARUP's Laboratory Test Directory are provided for informational purposes only. The codes reflect our interpretation of CPT coding requirements based upon AMA guidelines published annually. CPT codes are provided only as guidance to assist clients with billing. ARUP strongly recommends that clients confirm CPT codes with their Medicare administrative contractor, as requirements may differ. CPT coding is the sole responsibility of the billing party. ARUP Laboratories assumes no responsibility for billing errors due to reliance on the CPT codes published.
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
AliasesOther names that describe the test. Synonyms.
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