EUCAST Disk Diffusion Test Methodology

The EUCAST disk diffusion test is based on MH media and disks of a good quality. It is calibrated to EUCAST clinical breakpoints using broth microdilution for MIC determination. Updates are published regularly. 

See also EUCAST instruction videos.

Disk diffusion - Manual v 9.0 (1 January, 2021)

Disk diffusion - Slide show v 9.0 (1 January, 2021)

Disk diffusion - Reading guide v 8.0 (1 January, 2021)

For translations to other languages - see Translations.

For previous versions of documents - see Previous versions.

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -