Status: current, 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 |
| Procedure on eustachian tube | Is a | Procedure on middle ear | true | Inferred relationship | Some | ||
| Procedure on eustachian tube | Is a | Procedure on duct | false | Inferred relationship | Some | ||
| Procedure on eustachian tube | Procedure site | Structure of pharyngotympanic tube (body structure) | true | Inferred relationship | Some | 1 | |
| Procedure on eustachian tube | Is a | Procedure on pharynx | false | Inferred relationship | Some | ||
| Procedure on eustachian tube | Is a | Airway procedure | false | Inferred relationship | Some |
This concept is not in any reference sets