Status: current, Not sufficiently defined by necessary conditions definition status (core metadata concept). Date: 01-Jan 2026. Module: SNOMED CT core
Descriptions:
| Id | Description | Lang | Type | Status | Case? | Module |
| 5456049019 | Tonic-clonic epileptic seizure of unknown onset | en | Synonym (core metadata concept) | Active | Entire term case insensitive (core metadata concept) | SNOMED CT core |
| 5456050019 | Tonic-clonic epileptic seizure of unknown onset (finding) | en | Fully specified name | Active | Entire term case insensitive (core metadata concept) | SNOMED CT core |
| 5464693015 | An epileptic seizure with bilateral tonic-clonic semiology where the clinician is less than 80% confident that the seizure is focal or generalised in onset. | en | Definition | Active | Entire term case sensitive (core metadata concept) | SNOMED CT core |
| 5465990013 | An epileptic seizure with bilateral tonic-clonic semiology where the clinician is less than 80% confident that the seizure is focal or generalized in onset. | en | Definition | Active | Entire term case sensitive (core metadata concept) | SNOMED CT core |
| Outbound Relationships | Type | Target | Active | Characteristic | Refinability | Group | Values |
| Tonic-clonic epileptic seizure of unknown onset | Is a | Tonic-clonic epileptic seizure | true | Inferred relationship | Some | ||
| Tonic-clonic epileptic seizure of unknown onset | Finding site | Brain structure | true | Inferred relationship | Some | 1 |
| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group |
Reference Sets
Component annotation with string value reference set (foundation metadata concept)
FHIR