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Test Code MENES Environment and Sterility Test (Endoscope)

Laboratory Code

LAB3053139

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

LOINC Code Information

Not applicable

Update

Last updated 21/3/2025

Specimen Conditions

Insufficient specimen will be rejected.