Status: current, Sufficiently defined by necessary conditions definition status (core metadata concept). Date: 31-Jan 2002. Module: SNOMED CT core
Descriptions:
| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group |
| Graft to eustachian tube | Is a | True | Operation on eustachian tube | Inferred relationship | Some | |
| Eustachian tube diathermy | Is a | True | Operation on eustachian tube | Inferred relationship | Some | |
| Insufflation of eustachian tube | Is a | False | Operation on eustachian tube | Inferred relationship | Some | |
| Medical procedure on eustachian tube | Is a | False | Operation on eustachian tube | Inferred relationship | Some | |
| Catheterization of eustachian tube | Is a | False | Operation on eustachian tube | Inferred relationship | Some | |
| Other specified operation on eustachian canal | Is a | False | Operation on eustachian tube | Inferred relationship | Some | |
| Operation on eustachian canal NOS | Is a | False | Operation on eustachian tube | Inferred relationship | Some | |
| Eustachian tuboplasty | Is a | True | Operation on eustachian tube | Inferred relationship | Some | |
| Catheterization of eustachian tube | Is a | False | Operation on eustachian tube | Inferred relationship | Some |
This concept is not in any reference sets