MDRF International Medical Device Regulators Forum.
Considerations for the selection of IMDRF Adverse Event Terminology A Guide for Industry Partners and Healthcare Providers.
25 February 2026
Scope:
This document is intended to provide guidance on the correct application and consistent use of the adverse event terminology. The document provides guidance for all stakeholders:
• providing general coding principles on reporting adverse events using IMDRF codes; and
• providing examples to address common coding challenges