ISO 20776 is officially titled:
"Susceptibility testing of infectious agents and evaluation of performance of antimicrobial susceptibility test devices"
It is divided into two parts:
These standards ensure consistency in the methods used to test how effective antibiotics are against specific bacteria or infectious agents. They are used in:
Antimicrobial resistance is a global crisis. Inaccurate or inconsistent AST results can lead to:
ISO 20776 ensures that AST results are:
This leads to more informed treatment decisions, optimized patient outcomes, and better control of AMR.
Implementing ISO 20776 in your lab or diagnostic workflow offers multiple scientific and clinical benefits:
Use internationally accepted broth micro-dilution procedures.
Verify performance claims for commercial testing systems.
Ensure consistency across instruments, laboratories, and regions.
Deliver accurate MIC (Minimum Inhibitory Concentration) data to guide therapy.
Align results with standards from CLSI, EUCAST, and WHO.
With GMC’s guidance, implementing ISO 20776 helps your organization achieve measurable improvements:
Support ISO 15189, ISO 13485, and IVDR requirements for diagnostic systems.
Reduce the risk of false susceptibility or resistance results.
Strengthen documentation and validation for IVD manufacturers.
Improve confidence in reported results from clinicians and regulators.
Standardized data supports reporting to national AMR surveillance programs.
Accurate AST results ensure timely, targeted treatment, reducing patient harm
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