From: Determining correspondences between high-frequency MedDRA concepts and SNOMED: a case study
 | Indications Preferred Terms | Adverse Event Preferred Terms |
---|---|---|
Total number of Preferred Terms requiring manual mapping (Table 1, row F) | 141 | 645 |
Preferred Terms not in SNOMED CT and not composable from existing SNOMED CT concepts | 7 | 46 |
Preferred Terms mapping to a single SNOMED CT concept (missed synonyms) | 45 | 195 |
Preferred Terms composable from two SNOMED CT concepts | 87 | 373 |
Preferred Terms composable from three SNOMED CT concepts | 2 | 31 |