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By obtaining the document through legitimate channels and respecting its copyright, you not only contribute to the ongoing development of laboratory standards but also safeguard the quality of your own work and the safety of patient care.
Even when utilizing exempt media, the laboratory cannot completely bypass quality checks. Under CLSI M22-A3, the user must: clsi m22a3 pdf
The basic premise of M22-A3 is that the . This approach reduces unnecessary labor and costs for laboratories while maintaining high quality standards. 2. Expanded List of Exempt Media
Adhering to the CLSI M22-A3 standard allows laboratories to satisfy CLIA '88 requirements for media quality control without wasting valuable reagents, tech time, and QC organisms on highly reliable, exempt media. However, surveyors and inspectors will audit the lab to ensure that: Are you setting up a or updating an existing one
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.
The CLSI M22A3 PDF document provides detailed information on the performance and interpretation of antimicrobial susceptibility tests, including: Under CLSI M22-A3, the user must: The basic
The official M22-A3 PDF includes invaluable appendices (usually Appendix A, B, C) containing:
A representative sample of each uninoculated batch (usually 1-5% of the lot) is incubated to ensure no prior bacterial or fungal contamination exists. 3. Growth Performance (Biologic Testing)
M22-A3 strongly recommends using at least 40 patient samples (range covering the reportable interval) against a reference method (e.g., LC-MS/MS vs. immunoassay). For interferences, the guideline specifies testing:
Laboratories must still inspect these shipments for physical defects such as cracking, contamination, freezing, or excessive moisture. 2. Non-Exempt Media (High Failure Rate)