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Salmonella and Shigella, Culture
Test Code10019
CPT Codes
87045
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).
Antibiotic susceptibilities are only performed when appropriate (CPT code(s): 87186).
Preferred Specimen
Stool collected in Cary-Blair stool culture transport medium
Minimum Volume
1 gram or 1 mL
Other Acceptable Specimens
Rectal swab in Amies or Cary-Blair stool culture transport medium
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 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
Room temperature: 4 days
Refrigerated: 4 days
Frozen: Unacceptable
Swab in Amies
Room temperature: 48 hours
Refrigerated: 48 hours
Frozen: Unacceptable
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Upreserved at any temperature • Frozen specimens in Cary-Blair stool culture transport • Expired transport medium • Specimen in diaper • Parasitology transport vial
Methodology
Bacterial Culture • Aerobic isolation and identification procedures
Setup Schedule
Sets up 7 days a week.
Report Available
Reports in 3 days.
Limitations
Diarrhea may be caused by a wide variety of organisms and other factors.
Clinical Significance
Salmonella and shigella represent two of the most common bacterial causes of diarrhea. If other common causes of diarrhea are suspected, they must be ordered individually. For many patients, the cause of gastrointestinal infection is not identified.
