The Bioburden test determines the total number of vable microorganisms in or on a medical device, container or component. It is performed on any product that requires control and/or monitoring of bioburden counts, usually as part of a sterilization program. The aim of bioburden testing is to measure the total number of viable micro-organisms (total microbial count) on a medical device prior to its final sterilization before implantation or use.