Status: current, Sufficiently defined by necessary conditions definition status (core metadata concept). Date: 31-Jan 2019. Module: SNOMED CT core
Descriptions:
| Id | Description | Lang | Type | Status | Case? | Module | 
| 3728073012 | Obstruction of left Eustachian tube | en | Synonym (core metadata concept) | Active | Only initial character case insensitive (core metadata concept) | SNOMED CT core | 
| 3728074018 | Obstruction of left Eustachian tube (disorder) | en | Fully specified name | Active | Only initial character case insensitive (core metadata concept) | SNOMED CT core | 
| Outbound Relationships | Type | Target | Active | Characteristic | Refinability | Group | Values | 
| Obstruction of left Eustachian tube | Is a | Obstruction of Eustachian tube | true | Inferred relationship | Some | ||
| Obstruction of left Eustachian tube | Finding site | Left Eustachian canal structure | false | Inferred relationship | Some | 1 | |
| Obstruction of left Eustachian tube | Is a | Disorder of left Eustachian tube (disorder) | true | Inferred relationship | Some | ||
| Obstruction of left Eustachian tube | Associated morphology | Obstruction | true | Inferred relationship | Some | 1 | |
| Obstruction of left Eustachian tube | Finding site | Structure of lumen of left pharyngotympanic tube | true | Inferred relationship | Some | 1 | 
| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Bilateral obstruction of Eustachian tubes | Is a | False | Obstruction of left Eustachian tube | Inferred relationship | Some | |
| Extrinsic obstruction of lumen of cartilaginous portion of left pharyngotympanic tube (disorder) | Is a | True | Obstruction of left Eustachian tube | Inferred relationship | Some | 
This concept is not in any reference sets