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Table 2 Results of the mapping process

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