Status: current, Not sufficiently defined by necessary conditions definition status (core metadata concept). Date: 31-Jan 2002. Module: SNOMED CT core
Descriptions:
| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group |
| Trisomy 18 - meiotic nondisjunction | Is a | True | Complete trisomy 18 syndrome | Inferred relationship | Some | |
| Trisomy 18 - mitotic nondisjunction mosaicism | Is a | True | Complete trisomy 18 syndrome | Inferred relationship | Some | |
| Edward's syndrome NOS | Is a | False | Complete trisomy 18 syndrome | Inferred relationship | Some | |
| Fetus with complete trisomy 18 syndrome (disorder) | Is a | False | Complete trisomy 18 syndrome | Inferred relationship | Some | |
| Family history of trisomy 18 (situation) | Associated finding | True | Complete trisomy 18 syndrome | Inferred relationship | Some | 1 |
This concept is not in any reference sets