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HelpTest Code MENES Environment and Sterility Test (Endoscope)
Specimen Requirements
Specimen Type: Automatic Endoscope Reprocessors (AER) water, Endoscope flush fluid
Container/Tube: Sterile screw-capped container
Volume: AER collection: at least 200.0 mL
Endoscope flush fluid: 50.0 – 200.0 mL
Minimum volume: 50.0 mL
Collection Instructions: As described in The National Infection Prevention and Control Guidelines for Endoscopy Centres 2023.
Specimen Stability
| Specimen Type | Water |
|---|---|
| Ambient | Send specimen to the laboratory immediately, to be received in testing laboratory within 1 hour of collection |
| Refrigerate | To be received in testing laboratory within 6 hours of collection (preferred for non-NUH requests) |
| Frozen | Unacceptable |
Methodology
Culture
Days and Times Performed
Monday through Saturday, TAT 8 days
- Preliminary result issued in 2 days and final report on Day 7.
- Sample to reach Microbiology Laboratory by 4 pm on test day (for non-NUH requests).
Reference Interval
No bacterial growth after 7 days' incubation.
Sterility satisfactory.
Testing Laboratory
National University Hospital
Clinical Microbiology, 67724343
Useful For
Monitoring the effectiveness of cleaning and disinfection process of endoscopes.
Service Code
23083
Update
Last updated 21/3/2025
Laboratory Code
LAB3053139
LOINC Code Information
Not applicable
Specimen Conditions
Insufficient specimen will be rejected.