World Health Organization Adverse Reaction Terminology

**Semantic type:** Intellectual Product

**Definition:** A terminology for coding clinical information in relation to drug therapy, used throughout the WHO Program by member countries and around the world by pharmaceutical companies and clinical research organisations. It has been developed over more than thirty years to serve as a basis for rational coding of adverse reaction terms.

**Synonyms:** - WHO Adverse Reaction Terminology - WHO-ART - WHOART - WHOART - World Health Organization Adverse Reaction Terms