Published August 23, 2021 | Version 1
Project deliverable Open

ACCESS-Background rate of adverse events-definition –(Meningo)encephalitis

  • 1. University Medical Center Utrecht
  • 2. University Utrecht
  • 3. Spanish Medicines Agency


This document contains the definition of (Meningo)Encephalitis and the operationalization to extract this event from different electronic health care databases in the EU, to calculate background rates of AESI

The document contains the key definition, procedures and treatments, the diagnosis codes based on Codemapper output with changes/additions by data access providers, and when available published validation studies and background rates


This study (ACCESS project) was funded by the European Medicines Agency


ACCESS_Definition (Meningo)encephalitisv1_20210823.pdf

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