However, before you buy or search further, note that . In the US, the Centers for Medicare & Medicaid Services (CMS) no longer recognizes the "exempt" vs "non-exempt" media categories it established, requiring labs to use an Individualized Quality Control Plan (IQCP) instead. Guide to Accessing CLSI M22-A3
The "A3" designation indicates this is the third edition of the "A" (Approved) standard. It streamlines laboratory workflows by identifying which types of commercially prepared media require intensive user QC and which can rely on the manufacturer’s QC documentation. Key Content of the Standard clsi m22a3 pdf free
It identifies "exempt" media—common media with high proven reliability—that do not require full re-testing by the end-user if the manufacturer provides a quality certificate [2, 6]. However, before you buy or search further, note that
: Today, the industry has moved toward an Individualized Quality Control Plan (IQCP) . Organizations like the American Society for Microbiology (ASM) now provide templates that broaden these concepts, replacing the older M22-A3 standard with risk-based assessments that still ensure patient safety. How to Access CLSI M22-A3 6]. : Today
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