EUCAST News

18.03.2025

RAST methodology updated

Rapid AST directly from positive blood culture bottles (RAST) - several documents were updated.

  • the breakpoint table was updated - new information on how to screen for and characterize benzylpenicillin resistance in Streptococcus pneumoniae added.
  • files describing the correlation between RAST zone diameters and reference MIC values were updated
  • methods document updated
  • document describing the detection of specific resistance mechanisms updated
  • document proposing how to implement RAST in the clinical laboratory updated.