Clsi M22a3 Pdf Review

Hemolysis in blood agar or pH indicator shifts.

M22-A3 does not exist in a vacuum. It is part of a broader ecosystem of CLSI standards. The document references several related NCCLS (now CLSI) publications, including:

The document contains several important tables that are of great practical value: clsi m22a3 pdf

Commercial systems use numerical biocodes (profiles). M22-A3 highlights specific "rare biocodes" that should be questioned.

One of the most practical features of the CLSI M22-A3 document is its classification of media into two distinct categories based on their historical reliability data. 1. Exempt Media (Low Failure Rate) Hemolysis in blood agar or pH indicator shifts

standard provides a rigorous framework for evaluating commercially prepared media. Visual Inspection Checklist:

Organism- or drug-specific considerations The document references several related NCCLS (now CLSI)

| Feature | Detail | |---|---| | | Quality Control for Commercially Prepared Microbiological Culture Media; Approved Standard—Third Edition | | Document Number | M22-A3 | | Edition | Third | | Publication Date | June 20, 2004 | | Pages | 44 | | ISBN | 1-56238-536-4 | | Replaces | M22-A2 (Approved Standard—Second Edition, December 1996) | | Current Status | Archived; no longer updated by CLSI consensus process but retained in CLSI’s library for technical validity | | FDA Recognition | The U.S. Food and Drug Administration (FDA) has evaluated and recognized this approved-level consensus standard for use in satisfying a regulatory requirement. |

CLSI M22-A3 document, titled "Quality Control for Commercially Prepared Microbiological Culture Media; Approved Standard—Third Edition,"