Laboratories must still inspect these shipments for physical defects such as cracking, contamination, freezing, or excessive moisture. 2. Non-Exempt Media (High Failure Rate)
Always verify if your specific accreditation body (e.g., CAP) requires adherence to the historical M22-A3 criteria or mandates an upgrade to the latest edition.
You may find M22-A2 PDFs online for historical reference. However, (A3). Using an outdated version will result in non-conformities during audits. clsi m22a3 pdf
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The third edition incorporates data from three CAP surveys, with the survey conducted in the fall of 2001 leading to the addition of 27 new “exempt media.” Laboratories must still inspect these shipments for physical
CLSI M22-A3 is the third edition of the approved global standard that establishes responsibilities and protocols for the quality control of commercially prepared microbiological culture media. Published by the Clinical and Laboratory Standards Institute, this document serves as a bridge between media manufacturers and clinical laboratories.
In the United States, laboratory compliance is governed by the Clinical Laboratory Improvement Amendments (CLIA). Major accreditation organizations, such as the College of American Pathologists (CAP) and the Joint Commission, utilize CLSI M22-A3 as the benchmark for evaluating a laboratory’s microbiology quality management system. You may find M22-A2 PDFs online for historical reference
Which (e.g., CAP, Joint Commission, local government) audits your laboratory?
Archived (meaning it is no longer being actively reviewed, but still widely used for guidelines). Revision: Replaces the previous M22-A2 standard. Format: Available in electronic/PDF format.