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HelpTest Code MCRES Carbapenem-resistant Enterobacterales (CRE) Screen
Laboratory Code
LAB2059
Specimen Requirements
Submit only one of the following
Preferred
Specimen Type: Rectal swab
Container/Tube: eSwab, M40 transystem Amies agar transport media (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 eSwab Training Slides.
Acceptable
Specimen Type: Stool
Container/Tube: Sterile screw-capped container with spatula attached
Volume: 10.0 g / 5.0 mL
Minimum Volume: 5.0 g (size of a grape) / 2.0 mL (liquid stool)
Specimen Stability
** Preferred temperatures for storage prior to and during shipping to NUH **
| Specimen Type | Rectal swab, Stool |
|---|---|
| Ambient | Submit sample to lab immediately |
| Refrigerate | 1 day |
| Frozen | Unacceptable |
Methodology
Conventional culture
Days and Times Performed
Monday through Sunday, TAT 3 - 4 days
Reference Interval
Carbapenem-resistant Enterobacterales not isolated.
Testing Laboratory
National University Hospital
Clinical Microbiology, 67724343
Useful For
Screening for carbapenemase-producing Enterobacterales (CPE) and carbapenem-resistant Enterobacterales (CRE) colonization.
Service Code
23065
LOINC Code Information
77924-9
Update
Last updated 21/3/2025
Unacceptable Condition
Frozen sample.