Table 3.
Standardized nomenclature for describing patient outcomes
| MedDRA® | SNOMED CT | ICD | US FDA patient problem codes | |
|---|---|---|---|---|
| Number of terms | 70,000 | 311,000 | 70,000 | 700 |
| Hierarchy | High | Medium | Medium | Low |
| Number of languages available | 11 | 5 | 42 | 1 |
| Owner | International Conference on Harmonization | International Health Terminology Standards | World Health Organization | US Food and Drug Administration |
ICD International Classification of Diseases, MedDRA Medical Dictionary for Regulatory Activities, SNOMED CT Systematized Nomenclature of Medicine Clinical Terms