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 |
| Time of onset | Is a | Time duration (property) (qualifier value) | false | Inferred relationship | Some | ||
| Time of onset | Is a | Time (attribute) | false | Inferred relationship | Some | ||
| Time of onset | Is a | Temporal observable | true | Inferred relationship | Some |
| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group |
| Time of health condition onset (observable entity) | Is a | True | Time of onset | Inferred relationship | Some | |
| Time of illness onset (observable entity) | Is a | True | Time of onset | Inferred relationship | Some | |
| Time of symptom onset (observable entity) | Is a | True | Time of onset | Inferred relationship | Some | |
| Time from onset of pain to call for help (observable entity) | Is a | True | Time of onset | Inferred relationship | Some | |
| Time from onset of pain to administration of thrombolytic agent (observable entity) | Is a | True | Time of onset | Inferred relationship | Some | |
| Time from onset of disease to death | Is a | True | Time of onset | Inferred relationship | Some | |
| Time from accident to death (observable entity) | Is a | True | Time of onset | Inferred relationship | Some |
This concept is not in any reference sets