If your laboratory is affiliated with a university, major medical center, or research hospital, check with your institutional medical library. Many academic libraries maintain active subscriptions to CLSI databases, allowing personnel to download the official PDF for internal use at no additional cost. Conclusion
If an exempt or non-exempt medium fails visual inspection or growth performance, document the failure and report it to the manufacturer immediately.
It ensures that commercially prepared media meet stringent quality requirements. clsi m22a3 pdf link
The document clearly delineates the roles of different parties in the supply chain:
The CLSI M22A3 guidelines are essential for several reasons: If your laboratory is affiliated with a university,
The following legitimate channels are available:
To ensure your laboratory remains compliant and secure, always prioritize acquiring standards through your institution's procurement channel or directly via the CLSI portal. It ensures that commercially prepared media meet stringent
Categorize incoming media based on standard lists. 3. Exempt vs. Non-Exempt Media
The manufacturer is ISO-certified and provides a certificate of quality performance.
+----------------------------+ | Media Manufacturer | | - Quality System Checks | | - Lot Performance Data | +--------------+-------------+ | v +----------------------------+ | Regional Distributor | | - Cold Chain Integrity | | - Safe Storage / Handling | +--------------+-------------+ | v +----------------------------+ | Clinical End-User | | - Visual Verification | | - Non-Exempt Testing | +----------------------------+ 1. Manufacturer Requirements