Status: current, 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 |
| Ascending aorta absent | Is a | True | Congenital absence of aorta | Inferred relationship | Some | |
| Aplasia of aorta (disorder) | Is a | True | Congenital absence of aorta | Inferred relationship | Some |
This concept is not in any reference sets