Includes new recommendations for QC of media used to recover difficult-to-grow pathogens. Laboratory Inspection Requirements
Excessive moisture, dehydration, or frozen/melted agar. Contamination: Any visible growth or excessive bubbles. Purchasing and Access clsi m22a3 pdf
Quality Control for Commercially Prepared Microbiological Culture Media; Approved Standard, M22A3E, Published by CLSI, 2004-06-20 Go to product viewer dialog for this item. CLSI M22-A3-2004 (R2016) Includes new recommendations for QC of media used
The primary premise of M22-A3 is to reduce the burden of redundant testing. It identifies specific media of "proven reliability" for which users do not need to perform additional retesting if the manufacturer's quality control (QC) practices meet established criteria. Focus on visual inspection and documentation of media
Focus on visual inspection and documentation of media upon receipt rather than full organism-based retesting for "exempt" media.
Use the standard to establish rigorous QC protocols for every lot.
The full document is available in electronic PDF format from various official standards retailers. Go to product viewer dialog for this item. CLSI M22-A3 (R2018)