Clsi M22a3 Pdf Jun 2026

Hemolysis in blood agar or pH indicator shifts.

The standard explicitly applies to , ready-to-use microbiological culture media. It does not cover media prepared entirely in-house from raw ingredients (though those labs may still use it as a reference). Intended users include clinical labs, public health labs, veterinary diagnostics, and industrial microbiology facilities. clsi m22a3 pdf

Understanding CLSI M22-A3: The Standard for Quality Control of Microbiological Culture Media Hemolysis in blood agar or pH indicator shifts

To qualify for the exemptions allowed under M22-A3, the commercial manufacturer must adhere to strict guidelines: Intended users include clinical labs, public health labs,

Provide documentation (Certificates of Quality Control) readily accessible to the end-user laboratory. 3. Responsibilities of the User (The Clinical Laboratory)

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: