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 |
| Cluster headache | Is a | Headache disorder | false | Inferred relationship | Some | ||
| Cluster headache | Finding site | Brain tissue structure | false | Inferred relationship | Some | 1 | |
| Cluster headache | Has definitional manifestation | Pain | false | Inferred relationship | Some | ||
| Cluster headache | Is a | Disorder of brain (disorder) | true | Inferred relationship | Some | ||
| Cluster headache | Has definitional manifestation | Headache | false | Inferred relationship | Some | ||
| Cluster headache | Is a | Trigeminal autonomic cephalalgia | true | Inferred relationship | Some | ||
| Cluster headache | Finding site | Structure of half of head lateral to midsagittal plane (body structure) | true | Inferred relationship | Some | 2 | |
| Cluster headache | Finding site | Brain structure | true | Inferred relationship | Some | 1 |
| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group |
| Episodic cluster headache | Is a | True | Cluster headache | Inferred relationship | Some | |
| Chronic cluster headache | Is a | True | Cluster headache | Inferred relationship | Some | |
| Atypical cluster headache | Is a | True | Cluster headache | Inferred relationship | Some | |
| Chronic paroxysmal hemicrania | Is a | False | Cluster headache | Inferred relationship | Some |
Reference Sets
Dutch optometric reason for visit simple reference set (foundation metadata concept)