Status: current, Not sufficiently defined by necessary conditions definition status (core metadata concept). Date: 31-Jan 2002. Module: SNOMED CT core
Descriptions:
| Outbound Relationships | Type | Target | Active | Characteristic | Refinability | Group | Values | 
| Melena | Is a | Gastrointestinal hemorrhage | false | Inferred relationship | Some | ||
| Melena | Associated morphology | Hemorrhage | false | Inferred relationship | Some | 1 | |
| Melena | Finding site | Gastrointestinal tract structure | false | Inferred relationship | Some | 1 | |
| Melena | Finding site | Feces | false | Inferred relationship | Some | ||
| Melena | Is a | Blood in stool | false | Inferred relationship | Some | ||
| Melena | Is a | Disorder of digestive system (disorder) | true | Inferred relationship | Some | ||
| Melena | Finding site | Structure of digestive system (body structure) | true | Inferred relationship | Some | 1 | 
| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| History of melena | Associated finding | False | Melena | Inferred relationship | Some | 1 | 
| Melena due to gastrointestinal hemorrhage (disorder) | Is a | True | Melena | Inferred relationship | Some | |
| Perinatal melena | Is a | True | Melena | Inferred relationship | Some | |
| à l'examen des selles : melæna | Associated finding | False | Melena | Inferred relationship | Some | 1 | 
| à l'examen des selles : melæna | Is a | False | Melena | Inferred relationship | Some | |
| Neonatal melaena | Is a | True | Melena | Inferred relationship | Some | |
| History of melena | Associated finding | True | Melena | Inferred relationship | Some | 1 | 
This concept is not in any reference sets