The core premise of M22-A3 is that retesting commercially prepared media is often unnecessary if the media has a proven track record of high reliability. By analyzing failure rates from surveys conducted by the College of American Pathologists (CAP), the CLSI identified specific media types that consistently perform well.
By identifying exempt media, labs can significantly reduce the amount of time and money spent on maintaining QC organisms and performing redundant tests. clsi m22a3 pdf
: Must document the receipt and physical condition of every shipment, checking for defects like cracked plates, contamination, or unequal filling. Wadsworth Center Key Technical Updates in M22-A3 The core premise of M22-A3 is that retesting
The keyword is a starting point, not the end goal. While it is tempting to hunt for a free download, the value of this standard lies in its correct application. The official CLSI M22-A3 PDF is an investment in laboratory quality, patient safety, and regulatory peace of mind. : Must document the receipt and physical condition