Status: current, Not sufficiently defined by necessary conditions definition status (core metadata concept). Date: 31-Jan 2002. Module: SNOMED CT core
Descriptions:
| Id | Description | Lang | Type | Status | Case? | Module | 
| 391752015 | Time of onset | en | Synonym (core metadata concept) | Active | Entire term case insensitive (core metadata concept) | SNOMED CT core | 
| 655629017 | Time of onset (qualifier value) | en | Fully specified name | Inactive | Only initial character case insensitive (core metadata concept) | SNOMED CT core | 
| 2462490012 | Time of onset (attribute) | en | Fully specified name | Inactive | Only initial character case insensitive (core metadata concept) | SNOMED CT core | 
| 2545455010 | Time of onset (observable entity) | en | Fully specified name | Active | Entire term case insensitive (core metadata concept) | SNOMED CT core | 
| 1718581000052117 | tidpunkt för debut | sv | Synonym (core metadata concept) | Active | Entire term case insensitive (core metadata concept) | SNOMED CT Sweden NRC maintained module (core metadata concept) | 
| 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 | 
This concept is not in any reference sets