Status: current, Primitive. Date: 31-Jan 2002. Module: SNOMED CT core
Descriptions:
| Id | Description | Lang | Type | Status | Case? | Module |
| 253304011 | Time since symptom started | en | Synonym | Active | Case insensitive | SNOMED CT core |
| 2560549013 | Time since symptom started (observable entity) | en | Fully specified name | Active | Case insensitive | SNOMED CT core |
| 543579019 | Time since symptom started (context-dependent category) | en | Fully specified name | Inactive | Initial character case insensitive | SNOMED CT core |
| Outbound Relationships | Type | Target | Active | Characteristic | Refinability | Group | Values |
| Time since symptom started | Is a | Temporal measure of symptom | true | Inferred relationship | Some |
| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group |
Reference Sets
Observable entity foundation reference set