BA0344
Specimen Container |
Screw capped leak-proof stool container
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Specimen Requirement |
Fresh stool (about 1 teaspoon or 10 mm3 stool). Only unformed stool is acceptable.
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Specimen Storage/Transport |
If it is not possible to despatch the stool sample to the laboratory on the same day, the sample should be kept at 2-8°C in a refrigerator. Note: Stool in transport media, on swabs, mixed in urine or preservatives, is not appropriate for testing and will have to be rejected. Sample should reach laboratory as soon as possible, preferably within 24 hours after collection. |
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Orderable as Urgent? | No | |||||||||||||||||||||
Turn Around Time |
1 day |
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Testing Laboratory Location | SGH | |||||||||||||||||||||
Laboratory | Immunology/Serology | |||||||||||||||||||||
Contact Number | 6394 1352 | |||||||||||||||||||||
Day and Time Performed |
Mon - Fri: 0800 hrs to 1700 hrs
Sat: 0800 hrs - 1230 hrs |
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Orderable on CPOE? | Yes | |||||||||||||||||||||
Downtime Form | ||||||||||||||||||||||
Additional Information |
C. difficile Testing Algorithm: Results, Interpretation and Action
This test involves an algorithm whereby all stool specimens will be first tested by C. difficile Toxins A&B and glutamate dehydrogenase (GDH) enzyme immunoassays (EIAs) in the SGH Immunology/Serology Laboratory. All specimens with concordant results will be reported accordingly (see Table). Specimens with indeterminate EIA results will be sent automatically to the SGH Molecular Laboratory for C. difficile toxin gene PCR testing. A separate PCR report will then be issued. This ‘reflex’ PCR testing does not require any further action by the ordering clinician, and involves no additional cost. Questions may be directed to Dr Matthias Maiwald (6394 1389) at the KKH Microbiology Laboratory. |
Change History Notes
30 Jul 2021 12:00 AM
Updated TAT, Laboratory.
Last Updated - 05 Apr 2025
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