Status: current, Sufficiently defined by necessary conditions definition status (core metadata concept). Date: 31-Jul 2004. Module: SNOMED CT core
Descriptions:
| Id | Description | Lang | Type | Status | Case? | Module |
| 253104016 | No headache | en | Synonym (core metadata concept) | Active | Entire term case insensitive (core metadata concept) | SNOMED CT core |
| 543427018 | No headache (finding) | en | Fully specified name | Inactive | Only initial character case insensitive (core metadata concept) | SNOMED CT core |
| 1470283011 | No headache (context-dependent category) | en | Fully specified name | Inactive | Only initial character case insensitive (core metadata concept) | SNOMED CT core |
| 2606785010 | No headache (situation) | en | Fully specified name | Active | Entire term case insensitive (core metadata concept) | SNOMED CT core |
| 272471000077118 | pas de céphalée | fr | Synonym (core metadata concept) | Active | Entire term case insensitive (core metadata concept) | SNOMED CT Switzerland NRC maintained Module |
| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group |
| Pinna non-tender | Is a | False | No headache | Inferred relationship | Some | |
| No tenderness in ear canal | Is a | False | No headache | Inferred relationship | Some | |
| Larynx non-tender | Is a | False | No headache | Inferred relationship | Some | |
| On examination - ear not painful | Is a | False | No headache | Inferred relationship | Some | |
| No earache | Is a | False | No headache | Inferred relationship | Some | |
| No history of migraine | Is a | True | No headache | Inferred relationship | Some |
This concept is not in any reference sets