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Test Code MSA Culture and Sensitivity, Stool (Salmonella, Shigella, Vibrio and Campylobacter)

Infectious

Specimen Requirements

Submit only one of the following

 

Preferred
Specimen Type: Stool
Container/Tube: Sterile screw-capped container with attached spatula
Volume: 10.0g / 5.0mL
Minimum Volume: 5.0g (size of a grape) / 2.0mL (liquid stool)
Collection Instructions: Colllect sample prior to any antimicrobial treatment.

Do not submit more than 2 stool specimens per patient without prior consultation with microbiologist. Do not send stool for bacterial culture when patient has been hospitalized for >72 hours.

Please indicate if the laboratory is needed to look for specific enteric pathogens or rarely isolated enteric pathogens.

 

Acceptable
Specimen Type: Rectal swab
(Only when stool specimen cannot be collected; e.g. newborns, severly debilitated adults)
Container/Tube:  eSwab, M40 transystem Amies agar transport media (Copan)(for non-NUH patients)
Volume: 1 swab
Collection Instructions: Pass the tip of a sterile swab approximately 2.5 cm beyond the anal sphincter. Rotate the swab and then withdraw it. Place swab in transport medium.

 

Please refer to Test Catalogue -> Test Collection Information -> eSwab Training Slides

Sample Stability

** Preferred temperatures for storage prior to and during shipping to NUH **

 

Specimen Type: Stool, Rectal Swab
Ambient: Submit sample to lab immediately
Refrigerate: Unacceptable
Frozen: Unacceptable

 

Reference Interval

Salmonella, Shigella, Campylobacter and Vibrio not isolated.

Days and Times Performed

Monday through Sunday, TAT 2-3 days

Methodology

Conventional Culture

Service Code

23023

Update

Last updated 11/10/2021

Unacceptable Condition

Stool contaminated with urine or disinfectants.

Testing Laboratory

National University Hospital

Clinical Microbiology, 67724343

Useful For

Diagnosis of infection caused by bacterial enteric pathogens.