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 |
| Region of trachea | Is a | Tracheal structure | false | Inferred relationship | Some | ||
| Region of trachea | Part of | Entire upper aerodigestive tract | false | Inferred relationship | Some | ||
| Region of trachea | Part of | Entire respiratory airway | false | Inferred relationship | Some | ||
| Region of trachea | Part of | Entire tracheobronchial tree | false | Inferred relationship | Some | ||
| Region of trachea | Is a | Tracheal part | true | Inferred relationship | Some | ||
| Region of trachea | Part of | Entire trachea | false | Additional relationship | Some |
| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group |
| Tracheal bifurcation structure | Is a | True | Region of trachea | Inferred relationship | Some | |
| Structure of upper third of trachea | Is a | True | Region of trachea | Inferred relationship | Some | |
| Structure of middle third of trachea | Is a | True | Region of trachea | Inferred relationship | Some | |
| Structure of lower third of trachea | Is a | True | Region of trachea | Inferred relationship | Some | |
| Foreign body in trachea | Finding site | False | Region of trachea | Inferred relationship | Some | 1 |
| Foreign body in trachea | Finding site | True | Region of trachea | Inferred relationship | Some | 1 |
| Structure of thoracic trachea (body structure) | Is a | True | Region of trachea | Inferred relationship | Some | |
| Structure of cervical trachea (body structure) | Is a | True | Region of trachea | Inferred relationship | Some |
This concept is not in any reference sets