Margaret Jennings

Margaret Jennings

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2019 Biological Indicator Service for Steriliser Validation for all office based practice


Annual validation of steriliser function is part of the total annual validation process. Staff are also expected to address instrument cleaning, policy, staff education, maintenance and monitoring as part of annual validation.

7 Biological Indicators (BIs) are posted with an express envelope enclosed for return of processed BIs and a control. Instructions are emailed with a template. Phone support is available at no extra cost. Total cost is $121 or $77 for a single component eg. If you only require incubation of your own Bis or require tests only. 

For most bench top sterilisers, 7 Biological Indicators are sufficient. Each test vial contain a known number of difficult to kill spore forming non-pathogenic bacteria which act as the standard test. Once the service technician has completed preliminary testing using his/her thermocouples etc on your challenge load prepared by you, you then make up three identical challenge loads and places two tests in challenging parts of the chamber so that three identical, consecutive loads, each with two new BIs are run. If you don't have sufficient instruments for three loads, simply rewrap each finished load as a new load. The 6 processed BIs and the unprocessed control are then immediately returned well protected with padding provided in the express post bag (to be posted in an express post box) for 48 hours incubation. According to the manufacturer the tests must be incubated within 5 days of being processed.



Please refer to course / fees and request form pages.