WHOART

The WHO Adverse Reactions Terminology (WHOART) is a dictionary meant to serve as a basis for rational coding of adverse reaction terms. The system is maintained by the Uppsala Monitoring Centre (UMC), the World Health Organization Collaborating Centre for International Drug Monitoring.
Structure
32 System-organ classesbody organ groups
180 High level terms for grouping Preferred terms
2085 Preferred terms principal terms for describing adverse reactions
3445 Included terms synonyms to Preferred terms
See also
Pharmacovigilance
COSTART
MedDRA
Adverse event
References
WHO Adverse Reactions Terminology