Status: current, Sufficiently defined by necessary conditions definition status (core metadata concept). Date: 31-Jan 2002. Module: SNOMED CT core
Descriptions:
| Id | Description | Lang | Type | Status | Case? | Module | 
| 394039017 | Drainage of petrous apex of mastoid | en | Synonym (core metadata concept) | Active | Entire term case insensitive (core metadata concept) | SNOMED CT core | 
| 657663019 | Drainage of petrous apex of mastoid (procedure) | en | Fully specified name | Active | Entire term case insensitive (core metadata concept) | SNOMED CT core | 
| 1979911000052112 | dränage av apex partis petrosae på processus mastoideus | sv | Synonym (core metadata concept) | Active | Entire term case insensitive (core metadata concept) | SNOMED CT Sweden NRC maintained module (core metadata concept) | 
| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Eagleton operation | Is a | False | Drainage of petrous apex of mastoid | Inferred relationship | Some | |
| Almoor-operation | Is a | False | Drainage of petrous apex of mastoid | Inferred relationship | Some | |
| Extrapetrosal drainage | Is a | False | Drainage of petrous apex of mastoid | Inferred relationship | Some | |
| Ramadiers operation | Is a | False | Drainage of petrous apex of mastoid | Inferred relationship | Some | |
| intrapetrosalt dränage | Is a | False | Drainage of petrous apex of mastoid | Inferred relationship | Some | |
| Frenckners operation | Is a | False | Drainage of petrous apex of mastoid | Inferred relationship | Some | 
Reference Sets