| Edition | Year | Key Changes | |---------|------|--------------| | M45-A | 2005 | First edition; introduced methods for 22 organism groups. | | M45-A2 | 2010 | Added breakpoints for Burkholderia cepacia , Stenotrophomonas maltophilia . | | M45-A3 | 2015 | Expanded to include Aeromonas , Vibrio , and Plesiomonas . Updated QC strains. | | | 2020+ | Current edition. Includes new breakpoints for Campylobacter , revised Haemophilus testing, and quality control updates. |

Bookmark the official CLSI store page for M45. And remember – a legitimate PDF is an investment in quality patient care. Disclaimer: This article is for informational purposes. Always refer to the most current official CLSI publication for actual testing and interpretation. CLSI, M45, and related trademarks are property of the Clinical and Laboratory Standards Institute.

CLSI also offers a – when M45 is updated, you receive an email and a link to download the revised PDF. Conclusion: Why You Need the Official CLSI M45 PDF Searching for the CLSI document M45 PDF is a sign of a conscientious laboratory professional. You recognize that uncommon pathogens require uncommon expertise – but that expertise must be anchored in a published standard.