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Chocolate Agar (when used specifically for isolating Haemophilus or Neisseria species) Selective media for fastidious anaerobes
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. clsi m22a3 pdf
The document outlines specific organisms that are commonly misidentified.
is a copyrighted document and typically requires a purchase: Official Source : Available directly from the Standards Stores : Can be found at the ANSI Webstore Accuris Standards Store Free Previews : Limited previews are often available via the ANSI preview page to view the table of contents and scope. Clinical & Laboratory Standards Institute | CLSI typically exempted under this standard? I can provide specific checklists or tailored advice
While remains a highly searched and referenced foundational document, clinical microbiologists should note that CLSI periodically updates its standards. The concepts introduced in the third edition (M22-A3) laid the groundwork for modern laboratory inspection frameworks, including the Individualized Quality Control Plan (IQCP) utilized under CLIA regulations.
Guidance on what to do when media fails QC: quarantining the lot, notifying the manufacturer, and deciding whether to use alternative media. is a copyrighted document and typically requires a
To help find the exact section you need, are you looking for the , the ATCC strain numbers for a particular agar, or guidance on how to implement an IQCP for your lab? Share public link
Test each lot for sterility, growth performance, and selectivity using specific control strains.
Provide inspectors with documentation proving that the laboratory’s media maintenance policies align with established national standards.
Media with a documented failure rate of are categorized as Exempt , meaning clinical laboratories are not required to perform their own routine QC testing on these products, provided certain conditions are met. Conversely, media with a failure rate greater than 0.5% are designated as Nonexempt , and user quality control is required.