Timing of Endoscope Visual Inspections

Published on:

March 24, 2026

• Expert Q&A

Question:

When should visual inspection be performed during endoscope use?

Answer:

Visual inspection of an endoscope takes place at each stage of use, with the purpose of the inspection shifting throughout the process. In general, the three stages of visual inspection are:

• Before use

• During use

• After use

Before patient use, providers should inspect the endoscope to confirm functionality and cleanliness. Refer to the manufacturer’s instructions for use because pre-checks can vary by endoscope model and manufacturer. These checks may include testing angulation knobs and elevator mechanism movement, channel patency, and video feedback, as well as, confirming outer coating integrity, no loose components, and no damage or debris at the distal tip. Identification of debris on an endoscope during pre-use inspection should prompt immediate return to the reprocessing space.

During use, the same principles as above apply. Functionality issues may not present themselves until during the procedure or until the introduction of an endotherapy tool. Providers should remain diligent about checking for angulation issues, leaking valves, and resistance in channels.

After use, the endoscope is precleaned and transported to the reprocessing space. Visual inspection is required during and after manual cleaning to confirm the removal of debris. Identification of debris at any point in reprocessing should prompt additional manual cleaning.

Overall, visual inspection is considered a “risk mitigation step.” ^[1] It serves as an additional check to confirm the functionality and cleanliness of an endoscope. End-users should also inspect the endoscope for signs of damage such as cracks, chips, peeling coatings, swelling, or gaps, as these findings may not affect function immediately but can impact cleanability. Refer to the endoscope’s instructions for use, best practice guidelines and standards, and facility policies to determine if additional tools, such as lighted magnification, are needed to support visual inspections.