Clsi M22a3: Pdf

An additional 27 media were added to the "exempt" list, meaning labs can bypass routine QC organism testing for these items.

Quality Control for Commercially Prepared Microbiological Culture Media

Includes new recommendations for QC of media used to recover difficult-to-grow pathogens. Laboratory Inspection Requirements clsi m22a3 pdf

While certain media are exempt from full retesting, labs must still perform a for physical defects upon receipt of every shipment. The standard requires monitoring for:

Focus on visual inspection and documentation of media upon receipt rather than full organism-based retesting for "exempt" media. An additional 27 media were added to the

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)

It explicitly defines the roles of the manufacturer, distributor, and end-user laboratory. The standard requires monitoring for: Focus on visual

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)

Excessive moisture, dehydration, or frozen/melted agar. Contamination: Any visible growth or excessive bubbles. Purchasing and Access

Cracked petri dishes, unequal filling, or hemolysis in blood agars.