Metrolab Blog

Monitoring of Bioburden


Bioburden is defined as the number of bacteria living on a surface that has not been sterilized. A bioburden test determines the total number of viable microorganisms in or on a medical device.

According to USP, “bioburden is a potential risk to the patient not only because the sterilization process might not be completely effective, but also post-processing because of the possible presence of residual materials such as allergens, endotoxins, and exotoxins. It may also have adverse impact on product quality and stability.”

Let’s talk biological indicators!

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