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Feces Culture and Shiga Toxin
MessageRoutine testing includes Salmonella, Shigella, Campylobacter, Aeromonas, and Plesiomonas. Culture for E. coli O157:H7 and shiga toxin testing.
Test Code
FECP
Alias/See Also
Stool Culture
CPT Codes
87045, 87427(X2)
Includes
If culture is positive, identification will be performed at an additional charge (CPT code(s): 87046, 87077 or 87140 or 87143 or 87146 or 87149).
Antibiotic susceptibilities are only performed when appropriate (CPT code(s): 87181 or 87184 or 87185 or 87186).
Antibiotic susceptibilities are only performed when appropriate (CPT code(s): 87181 or 87184 or 87185 or 87186).
Preferred Specimen
Feces
Minimum Volume
1 ml
Other Acceptable Specimens
Rectal swabs on infants
Instructions
Pass specimen into a clean dry container. Tansport to lab or transfer to Cary-Blair holding media
Transport Container
Sterile, leak proof container
or Cary-Blair holding media
or Cary-Blair holding media
Transport Temperature
Room Temperature
Specimen Stability
In sterile cup: 4 hours
In Cary-Blair media < 48 hours
In Cary-Blair media < 48 hours
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Stools visibly contaiminated with urine or diaper materials
Methodology
Culture on Selective and differentail media
Setup Schedule
Daily
Report Available
72 hours
Limitations
Do not perform stool cultures for inpatients whose length of stay >3 days w/o admitting diagnosis of gastroenteritis. Consider C. diff in this case.
Last Updated: April 2, 2024
